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10 Karat White Gold
10 Karat gold (10K) is 10 parts pure gold and 14 parts other metal alloys. White gold is created by combining pure gold with a copper, zinc and nickel (or palladium) alloy.
10 Karat Yellow Gold
10 Karat gold (10K) is 10 parts pure gold and 14 parts other metal alloys. By combining with copper and silver, yellow gold retains a rich yellow color while increasing its durability.
14 Karat White Gold
14 Karat gold (14K) is 14 parts pure gold and 10 parts other metal alloys. White gold is created by combining pure gold with a copper, zinc and nickel (or palladium) alloy.
14 Karat Yellow Gold
14 Karat gold is 14 parts pure gold and 10 parts other metal alloys. By combining with copper and silver, yellow gold retains a rich yellow color while increasing its durability.
18 Karat White Gold
18 Karat gold (18K) is 18 parts pure gold and 10 parts other metal alloys. White gold is created by combining pure gold with a copper, zinc and nickel (or palladium) alloy.
18 Karat Yellow Gold
18 Karat gold (18K) is 18 parts pure gold and 10 parts other metal alloys. By combining with copper and silver, yellow gold retains a rich yellow color while increasing its durability.
AGS
American Gem Society. Established in 1934. Sets and maintains highest standards of business ethics and professionalism within jewelry industry.
AGTA
American Gem Trade Association. They are known for their education to consumers and industries in regard to natural color gemstones.
Akoya Pearls
Saltwater cultured pearls that are harvested from Akoya mollusks in oceans off the coasts of Japan and China.
Alexandrite
Discovered in Russia in 1830, this mineral has a unique ability to change colors in various lights. It is also traditionally given for the 55th wedding anniversary.
Alloy
A mixture of two or more metals created to enhance the strength and/or appearance of a particular metal.
Amethyst
A purple form of quartz. Amethyst is the birthstone of February and the traditional gift for the 6th and 17th wedding anniversaries.
Aquamarine
A blue-green mineral from the beryl family. Aquamarine is the birthstone of March and the traditional gift for the 19th wedding anniversary.
Asscher Cut
A square cut with deeply cropped corners. Cut with a series of parallel steps, creating an effect much like a house of mirrors.
Automatic Watch
Also known as a self-winding watch. The natural movements of the wearer’s arm automatically wind the mainspring.
Baguette
A stone cut into a small rectangular or tapered shape with a step cut and often used as accents to larger stones.
Barrel Clasp
Two metal pieces on either end of a necklace or bracelet screw or click together, forming a clasp that looks like a barrel.
Bead Setting
A decorative setting in which stones are set evenly with the metal surface and secured by small metal bead-like prongs.
Bezel (Watch)
A metal ring that frames the dial of a watch. On many watches, the bezel displays minute increments and can be rotated in one or both directions. Divers use this function to measure elapsed time.
Bezel Setting
Metal is wrapped around the girdle of the stone, making only its crown and table visible. This setting is admired for its protection, security and its ability to minimize inclusions.
Blue Topaz
The most common form of topaz. Blue Topaz is traditionally used to celebrate December birthdays and the fourth year of marriage.
A piece of folded metal on one end of a chain or bracelet fits into the opening of a box on the other end and securely fastens the chain or bracelet together.
Brilliance
The light that is reflected from the diamond to the eye, or the amount of sparkle for a particular diamond.
Brilliant-Cut
A way in which diamonds are cut. Brilliant-cut diamonds include round, oval, teardrop, pear, princess, radiant, triangle, heart and marquise-shaped diamonds.
Briolette
A pear-shaped gem that is also elongated and identified by triangular or rectangular facets.
Brown Diamond
Within normal diamond creation, the color will change to brown when the diamond undergoes incredible pressure.
Brushed Finish
A firm metal brush creates tiny grooves in the surface of the metal to add texture. This effect slightly reduces the reflection of the metal and creates a wispy, feathery look.
Bulova Warranty
Bulova timepieces are warranted to the owner for two full years from date of purchase. See complete warranty
Cameo
Jewelry that is carved with a raised image. Layered agates are used in contemporary cameos. Color combinations include white and black, white and blue or white and red-brown.
Carat Weight
One of the 4Cs that measures diamond weight. Diamonds can range from small fractions of a carat to many carats.
Case (Watch)
Attached to the watchband, this metal covering surrounds the bezel and dial of a watch and protects its internal parts from dirt and damage. Some cases are built to resist water from entering the watch.
Cathedral Setting
Cathedral-like arches rise above the band on either side of the stone. May contain diamond or colored stone accents.
Cat’s-Eye
Also known as chrysoberyl. Identified by a band of light on a background ranging anywhere from honey to mint green that moves along the face of the stone as the stone is moved. Is an 8.5 on the Mohs Hardness Scale.
Certification
A certification provides an unbiased description of the individual qualities that determine a diamond's value and worth as evaluated by expert gemologists.
Channel Setting
Stones are placed side by side within a metal channel. There is no metal between each stone.
Chronograph
Watches that include multiple time measurement functions independent of the timekeeping. These functions can include stopwatches, timers, measurement of one-hour intervals, measurement of fractions of a second or elapsed time.
Chronometer
A watch whose timekeeping has been tested and certified for maximum accuracy according to standards set by the Swiss Official Chronometer Control (Contrôle Officiel Suisse des Chronomètres or C.O.S.C.).
Citizen Warranty
All Citizen watches are under limited warranty for a period of five years from the original date of purchase. See complete warranty
Citrine
A yellow variety of quartz. Citrine is the birthstone for November and the accepted gift for the 13th wedding anniversary.
Clarity
One of the 4Cs that measures the amount/absence of inclusions in and blemishes on a diamond. Clarity ranges from flawless to included/imperfect.
Clasp
The device used to fasten each end of a watchband, bracelet or necklace together. Clasps are traditionally made of metal and include several designs.
Cluster Setting
Several stones that are grouped together for a unique design or to look like one large stone.
Colorless
A diamond with no traces of body color. Light travels through a colorless diamond better than a diamond with color, resulting in exceptional brilliance.
Coral
A porous gem that is composed of calcified skeletons of coral polyps (microscopic sea creatures). Since prehistoric times has been used as a gem. Available in colors of red, black or pink. Hardness of 3.5 on the Mohs Scale.
Crown (Watch)
A metal knob located on the side of a watchcase and used to set the watch to the correct time and date. Some watches have multiple crowns to control other functions and settings.
Crystal (Watch)
The clear cover over the dial of a watch that protects it from dirt, scratches and internal damage. Typically made of glass-like substances such as plastic. High grade watches usually have synthetic sapphire crystals.
Cultured Pearl
Cultured pearls are created when tiny irritants are inserted into a mollusk shell. Nacre builds around the irritants over time, resulting in cultured pearls. Most pearls today are cultured. To learn more, visit our Cultured Pearls Guide.
Cut
One of the 4Cs that determines how light travels through a stone. Cut refers to the proportions of a stone, facet angles, finish and shape.
Deployment Clasp
This metal watch clasp is divided into three parts that extend out to fit over the wearer's hand. When closing the clasp, the metal parts fold internally as the top latches onto the band. This clasp can also include push buttons on either side of the band for added security.
Dial (Face)
The front display of a watch that includes the markings and hands. It is covered by the crystal and enclosed within the case.
Diamond
The hardest known natural mineral to man. Diamonds are the birthstone of April and the traditional gift for the 10th, 60th and 75th wedding anniversaries. Learn more by visiting our Diamond Guide.
Diamond Clarity
One of the 4Cs that measures the amount/absence of inclusions in and blemishes on a diamond. Clarity ranges from flawless to included/imperfect.
Diamond Color
One of the 4Cs that measures the amount of body color (tint) in a diamond on a scale from colorless to yellow/brown or gray.
Diamond Council of America (DCA)
A not-for-profit organization that educates its students about diamonds, training them to become certified Diamontologists.
Diamond Cut
One of the 4Cs that determines how light travels through a stone. Cut refers to the proportions of a stone, facet angles, finish and shape.
Diamond Fascination®
One genuine diamond (.005 carat) is set into each piece of 14K gold. The piece is then paved with diamond dust crystallized in enamel.
Diamond-Cut Finish
Created by cutting the metal with a diamond, giving it a glittering and sparkling look.
Diamontologist
An independently certified diamond salesperson who has been educated about the qualities that make each diamond unique and beautiful.
Double Very High
Every Leo Diamond is independently measured for superior fire, sparkle and brilliance. The certification of that brilliance, known as “return of light,” is your written proof. As displayed in GemEx Systems Inc. chart, a Leo Diamond rates Double Very High in white light and scintillation.
Earring Jacket
A decorative item of jewelry that can be attached to a stud earring by sliding onto the earring post and hanging down from the pierced ear.
Eco-Drive
A type of watch from Citizen that is powered by natural and artificial light, so it never needs a battery. Light enters through the crystal to a solar cell that converts it to energy.
Emerald
Found in all shades of green, emerald is a member of the beryl family. It is the birthstone of May and the traditional gift for the 20th, 35th and 55th wedding anniversaries.
Emerald-Cut
A type of cut in which the stone is rectangular or square with beveled corners and a step cut.
Endless Backs
Typically found on hoop earrings. A curved piece of wire goes through the ear and secures into the other side of the hoop, creating a continuous circle.
Enhancer Ring/Pearl Enhancer
An additional ring of diamonds and/or gemstones that is added to your diamond solitaire ring to enhance its look. An enhancer is also an item of jewelry that is designed to fit over a strand of pearls or act as a slide on a chain.
Eternity Ring
A ring commonly set with diamonds all the way around. Given as a symbol of everlasting love. Is worn on the same finger as the engagement and wedding rings.
Euro Shank
A ring that is square instead of being traditionally round. This type of shank displays the stones more prominently and results in a more comfortable fit.
Euro Wire Backs
Long curved wires that attach to the earrings on one end, while the other end goes through the ear and secures with a clasp.
Expansion Bracelet
This flexible watchband is used in place of a clasp. It is manually expanded over the wrist and retracts once it is released for a comfortable fit around the wrist.
Face
More technically referred to as the dial, the face is the front display of a watch that includes the markings and hands. It is covered by the crystal and enclosed within the case.
Facets
The flat surfaces on a cut stone. The placement of facets determines how much light reflects through the stone.
Fancy Color Diamond
A diamond with natural colors present. The natural color is a result of trace elements being present during the diamond’s creation. A fancy color diamond is considered to be more valuable with the most vibrant colors.
Figaro Link Chain
Features a distinct pattern of three (or five) equally sized links separated by one longer link.
Filigree
Delicate work of twisted gold or silver soldered together which forms an open design used with jewelry. Often resembles lace.
Fishhook Clasp
Also called a Hook and Eye Clasp, this fastener has a hook on one end of the chain and a metal loop on the other. The hook fits through the loop to keep the chain together.
Fishhook Earring Back
An earring finding shaped like a fishhook with the “hook” part going through the pierced portion of the ear.
Flawless
The highest grading on the clarity scale. A flawless diamond has no inclusions or blemishes visible under 10x magnification.
Florentine Finish
The texture on a metal's surface in which small lines are engraved in a crosshatch pattern.
Flush Setting
Holes are cut in the surface of the metal, and stones are placed inside. Only the tops of the stones are visible, and their tables are even with the metal's surface.
Fob
The short chain attached to a pocket watch on one end and adorned with a decorative ornament on the other.
Fold Over Deployment Clasp
A metal watch clasp with three parts that extend out to fit over the wearer's hand. When closing the clasp, the metal parts fold internally as the top latches onto the band. An extra piece of metal folds over the top of the latch and snaps into place. This clasp can also include push buttons on either side.
Four Cs
The four distinct characteristics - cut, color, clarity and carat weight - that classify each diamond. Experts use these classifications to establish the value and quality of every diamond. For more information, visit our guide to the 4Cs.
Foxtail Chain
Resembling the fullness of a foxtail, this chain is expertly designed by interweaving bent circles of metal together in a continuous pattern.
Freshwater Pearl
Freshwater pearls are harvested from freshwater rivers and/or lakes in China, Japan and the United States.
Friction Back
A small metal back is pushed on the earring's post through a hole, preventing it from slipping off.
Garnet
The reddish-brown birthstone for January. Less common varieties are found in all colors except blue. Garnet is also the traditional gift for the 18th wedding anniversary.
GemEx
GemEx Systems is an independent laboratory that provides certification stating the measurement of brilliance for your Leo Diamond®. This certification is known as the "Return of Light."
Gemscribe®
Gemscribe® is a unique serial number that is laser-inscribed on the girdle of your diamond and only visible under a 10x magnification. This ensures a Gemscribe® diamond will never be mistaken for any other.
Gemstone
A stone found in nature that has the necessary rarity, beauty and durability for use in jewelry. For more information, visit our
GIA
Gemological Institute of America. This organization is considered to be the authority on gemological teaching and research.
Girdle
The horizontal midsection and widest part of a diamond. The girdle may be polished, faceted or unpolished on a diamond, but is typically left unpolished on color stones.
Glue Setting
This setting is used when stones are attached to metal by strong glue adhesive, rather than prongs or other metal settings.
Gold (Metal)
The classic metal used for most jewelry. Pure gold (24K) is too soft to be used for jewelry so it is combined with other metals to enhance durability. For example, 14K gold is 14 parts gold and 10 parts other metals.
Gold Supply Chain
We take the impact of our company's supply chain seriously, and we believe that gold should be extracted and processed in a manner that respects the needs of current and future generations. Learn more
GSI
Stands for Gemological Science International. GSI provides to the jewelry industry the services of independent gemstone identification, grading and appraisals.
Half-Bezel Setting
Metal wraps around either side of the stone's girdle, rather than around the entire stone.
Hammered Finish
A finish applied to rings that resemble hammer indentions on the surface for a unique texture.
Hands
Thin, light strips of metal that are secured in the center of the watch face and point to the hours, minutes or seconds.
Hard Bangle
A type of bracelet that is hard or rigid and slips over the hand to fit loosely around one’s wrist.
Hardness (Moh's Scale of Hardness)
The ability of a stone or mineral to resist scratching. Hardness is measured from 1-10, 10 (diamonds) being the hardest.
Heart-Shaped Cut
Stones cut in the shape of a heart. Heart-shaped diamonds are a variation of the round brilliant-cut.
Hearts and Arrows
So named because the diamond when viewed from the top displays arrows and when viewed from below displays hearts. Round brilliant diamonds get this style of cut.
Hidden Clasp
A watch clasp that cannot be seen from the outside of the band. Portions of the metal band expand out to fit over the hand and internally fold, bringing the ends of the band together for a seamless look. Can include push buttons for added security.
Hinged Backs
Very popular in hoop earrings, this back has a hinged piece of metal that goes through the ear and snaps into a latch on the opposite side of the earring.
Ideal-Cut
A cut diamond is a series of prisms and mirrors, and the way light is returned out of the top of the diamond - not its sides or bottom - determines how brilliant and fiery a diamond is. "Ideal" is not just an adjective... it's become the industry standard for the set of proportions, ratios and angles known as the American Ideal Cut.
IGI
International Gemological Institute. The largest independent institution that certifies gems and appraises diamonds.
In and Out Hoop Earrings
Hoop earrings that have diamonds on the visible portion inside and outside of the hoop earrings.
Inclusions
The natural birthmarks inside a stone that can affect its flow of light and also add uniqueness and character. Inclusions vary in size, shape, quantity, position and color.
Inlaid Setting
A portion of the metal setting has been cut away and replaced by a stone. In this setting, the stones are flush with the metal surface.
International Gemological Institute (IGI)
An international organization that independently certifies diamonds as to their quality and authenticity.
Invisible Setting
Several stones are mounted together by metal under the stones. The metal cannot be seen from above, making the stones appear as if they have no setting at all.
Jade
A decorative stone used in jewelry and carvings. Is made up of one or two different minerals—Jadeite and Nephrite. Has a hardness of 6-7 on the Mohs Scale.
Kinetic
Seiko Kinetic is the first and only quartz watch powered by human energy. It runs entirely on self-generated energy from the natural movement of the wrist, so the Kinetic watch never needs a battery change.
Lab-Created
A color stone produced in a laboratory setting. Lab-created stones have the same chemical, physical and optical properties as natural gemstones.
Lariat
A very long necklace that is usually open on the ends. The length makes it possible to wear this necklace in many different ways (wrapped around the neck several times, knotted or looped).
Le Vian® Time Warranty
Le Vian® Time is warranted against defects in material and workmanship for a period of two years from the date of purchase. We will repair without charge any such defective parts, within the limits of the warranty.
This warranty applies to the battery and internal components of your Le Vian® timepiece and does not apply to the strap, case, glass, or bracelet. The warranty does not apply to LeVian® Timepieces damaged by accident, abuse, misuse, alteration or neglect.
Leo Diamond®
Handcrafted by the master diamond artisans at Leo Schachter, the Leo Diamond® is the first diamond ever to be independently measured and certified for superior brilliance To learn more, click here.
LeVian Warranty
All LeVian® pieces come with a Certificate of Authenticity and are covered under a Limited Lifetime Warranty and Trade in Warranty.
Lobster Clasp
Named for its resemblance to a lobster claw, this clasp has a hook with a spring-powered arm that can be opened and closed. The hook is attached to the opposite end of the chain, and the arm is closed to secure the chain.
Locket
A pendant that opens up to store small pictures of loved ones. Most commonly worn on a necklace.
Loupe
A magnification tool used by jewelers to analyze gemstones and other jewelry materials. Diamonds and color stones are always evaluated at 10x magnification and in the face-up position.
Mariner Link Chain
Also called an anchor link chain, this chain is made up of oval links with a strip of metal down the middle of each link.
Markings
The time increment symbols located on the watch dial, or stamping found on fine jewelry indicating gold content, manufacturer's trademark and sometimes the stone weight.
Marquise
A type of cut in which the stone is elongated and pointed at both ends. A marquise stone is longer than it is wide.
Metals
Fine jewelry and jewelry settings are crafted of metal. Common metals include gold, silver, platinum and titanium. Metals can be used in pure form or combined to increase durability. For additional information, visit our Metals Guide.
Minimum Clarity
In jewelry that has more than one diamond, the clarity may vary from one stone to the next. All of the diamonds in that piece have a clarity equal to or better than the minimum clarity rating given. Diamond clarity is one of the 4Cs. It measures the amount/absence of inclusions in and blemishes on a diamond. Clarity ranges from flawless to included/imperfect.
Minimum Color
In jewelry that has more than one diamond, the color may vary from one stone to the next. All of the diamonds in that piece have a color equal to or better than the minimum color rating given. Diamond color is one of the 4Cs. It measures the amount of body color (tint) in a diamond on a scale from colorless to yellow/brown or gray.
Mixed-Cut
A way in which diamonds are cut. Mixed-cut diamonds combine the qualities of the brilliant and step-cuts.
MM
The abbreviation for millimeter; our standard unit of measurement for jewelry dimensions. For an approximate conversion to inches, see below.
3MM is approximately 1/8 inch
6MM is approximately 1/4 inch
13MM is approximately 1/2 inch
19MM is approximately 3/4 inch
25MM is approximately 1 inch
50MM is approximately 2 inches
75MM is approximately 3 inches
Moh's Scale of Hardness
The scale used to measure the degree to which a stone or mineral is resistant to scratches. Hardness is measured from 1-10, 10 (diamonds) being the hardest.
Mother of Pearl
Thin layers of nacre that make up the iridescent interior of a mollusk shell. These layers are removed and used for watch faces and other pieces of jewelry.
Movado Warranty
Movado will, within two (2) years from date of purchase, repair or replace (at Movado's option) the movement of your Movado watch free of charge if such movement proves to be defective in material or workmanship under normal use. See complete warranty
Nacre
A substance produced in mollusk shells that coats particles and other foreign objects. Over time, layers of nacre build up around the particles to form pearls.
Natural Fancy Color Diamonds
Diamonds with a deep body color, including brown, yellow, blue, violet, orange, pink and red. Fancy color diamonds are unusual and therefore highly valued. They are rated Z+ on the color scale and have nine saturation levels from Faint to Fancy Vivid.
Near-Colorless
Diamonds with little or no color visible to the naked eye. Near-colorless diamonds are classified as G, H, I or J on the color scale.
Nick Setting
The nick setting is similar to the channel setting. Stones are placed in a row, with metal bordering either side. In a nick setting, small prongs are nicked from the surrounding metal to secure the stones.
Omega Back
A straight piece of metal (a post) goes through the earlobe while a hinged curved arm supports the back of the earring.
Omega Chain
Small rectangular pieces of metal are linked together on a flexible wire that is invisible to the eye. Omega chains are arched on top but lay flat against the neck and can be decorated with a slide.
Opal
This gemstone is believed to reflect the colors of all other gemstones. Opal is the birthstone for October and the traditional gift for the 14th wedding anniversary.
Opal Doublet
This type of opal is adhered to a backing of black material, enhancing the colors of the opal.
Opera Length
A necklace that is anywhere between 26 to 36 inches in length. For variety, can be worn as a single strand or doubled into a two- strand necklace.
Palladium
A precious metal used in jewelry making. Since it is naturally white, it can be used in place of white gold or platinum.
Pavé Setting
Multiple small stones set in a curved or flat surface and held in place by prongs. The prongs are created by hand from the surrounding metal with the use of a fine sharp gravers tool. The tables of the stones will all be level with the jewelry surface.
Pear-Shaped Cut
Also known as teardrop-shaped, a pear-shaped stone features a rounded bottom edge that comes to a point at the top.
Pearl
Organic gemstones created from layer upon layer of nacre and produced in mollusk shells. Pearls are the traditional anniversary gemstone for the third and 30th year of marriage and the birthstone for June. Today, because of their rarity in nature, most pearls are cultured. For more information, visit our Cultured Pearl Guide.
Peridot
This gemstone is known for its yellow-green color. Peridot is the birthstone for August and the traditional gift for the 16th wedding anniversary.
Pink Gold
The result of combining pure gold with large amounts of copper. Also called "Rose" or "Red" Gold.
Platinum
A durable precious metal, valued for its white color and purity. Platinum is hypoallergenic. To be called platinum, it must contain at least 90% pure platinum (10% other metals). (585 Platinum contains 58.5% platinum, 41.5% other metals.)
Pressure Set
A form of setting in which the stone appears to be floating on air. The stone is held in place on either side by the pressure of the band.
Promise Ring
A ring used to signify a pledge or promise between two people. Most commonly used as a pre-engagement ring. Replaces the tradition of exchanging class rings as a symbol of “going steady”. Can be worn on the ring finger of either hand.