This is an authentic ROBERTO COIN 18K White Gold Diamond Station Necklace. The necklace is crafted of 18 karat white gold and features pebble motif stations pave-set with diamonds, approximately 1.01 total carat weight, along with a synthetic ruby near the clasp. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.