A chromatic gemstone turned horizontal on a gold band creates a unique cocktail ring; Amethyst; 14K yellow gold; Almost all gemstones and blue and black diamonds have been treated to enhance their beauty and require special care; Photo may have been enlarged and/or enhanced; All gemstone carat weights (tcw) are approximate; variance may be 0.05 carat.; Amethyst is a February birthstone; Bloomingdale's exclusive; Gemstone Treatment and Care; Imported