Roberto Coin 18k Yellow & White Gold Diamond Necklace 999809AJCHX0. This elegant Roberto Coin 18k Yellow Gold and 18k White Gold Pendant Necklace features a gold "flower" adorned with diamonds(0.75ct).The Decoration Size is 28x24mm. The Length is 16 inches. The Total Weight is 9.7g. 18k Yellow Gold, 18k White Gold. The item "Roberto Coin 18k Yellow & White Gold Diamond Necklace 999809AJCHX0" is in sale since Monday, June 15, 2020. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Diamond". The seller is "shopworn" and is located in Cresskill, New Jersey. This item can be shipped worldwide.