From the Anthem collection; Geometrically-stylish. This men's silver ring shimmers with an octagon cluster of black diamonds and 18K yellow gold accents; Black diamonds: 0.74 total carat weight; 18K yellow gold; sterling silver; 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.; Some black diamond jewelry may be set with black rhodium-plated metal; it may wear off over time requiring replating.; Imported