Ruby jewelry is instantly associated with passion, desire, love and royalty. Ruby is historically a stone of power, courage, and good fortune. With its vibrant red color, ruby is also the perfect gift for the love of your life. That's why ruby jewelry is often given on Valentine's Day, especially heart-shaped rubies. Show your sweetheart that your inner fire will never go out with a gift of ruby jewelry. Ruby is also the birthstone of July, making ruby jewelry a sweet gift for anyone born in July.