This is a lovely Antique Amethyst Diamond Necklace for sale. The necklace is set with a a cushion and a oval cut amethyst that weigh approximately 18.00ct. The amethyst accentuated by approximately 1.20ct of sparkling rose cut diamonds. The color of these diamonds is H-I with VS clarity. The pendant portion of the necklace containing the stone measures 52mm by 42mm. This amethyst and diamond necklace measures 17 inches in length and weighs 14.9 grams. It is stamped 950.