Badgley Mischka Amethyst Logo Cuff With Brown Diamonds Brown diamond: 0.50 ct. T.w./amethyst: 0.85 ct. T.w./sterling silver. Imported. 7.25" Diameter. Push-lock clasp. All gemstone carat weights (ct. T.w.) are approximate; variance may be .05 carat. Almost all gemstones and black diamonds have been treated to enhance their beauty and require special care. Photo may have been enlarged and/or enhanced.