This is a magnificent platinum necklace. The necklace is set with sparkling round cut diamonds that weigh approximately 3.00ct. The color of these diamonds is H with VS clarity. The necklace has a tapering width from 3mm to 4mm. The necklace measures 16 1/4 inches in length and weighs 20.4 grams. The necklace is stamped Pt850 D3.00.