This is an authentic ROBERTO COIN 18K White Gold Diamond Tiny Treasures Tennis Racket Pendant Necklace. The necklace is crafted of 18 karat white gold and features a tennis racket motif adorned with round brilliant cut diamonds, approximately .19 total carat weight, and a synthetic ruby accent. Follow this item for alerts. Roberto Coin is a registered trademark of Roberto Coin. FASHIONPHILE is not affiliated with Roberto Coin.