14K & Sterling Silver w Black Rhodium and Cognac Diamond Long Statement Ring. The diamonds are cognac have black rhodium around each one of them. They are round in shape and all faceted so that they have a nice sparkle. This ring is great for any finger! 1.50 Carat Total Black Diamond Weight (Excellent Quality) Ring Size 7 8.24 grams (mounted) Top measures 1.5 inches tall (40 mm) and tapers back to 0.13 inches (3.6 mm) wide band.