This is an elegant 18k yellow gold necklace by Gubelin. The necklace is centered with a lovely baroque pearl. The pearl is accentuated by sparkling round cut diamonds that weigh approximately 6.00ct. The color of these diamonds is E-F with VS clarity. The necklace measures 21 inches in length and weighs 53.1 grams. The necklace is stamped 750. The necklace comes with a 2 3/4 inches extension piece.