From the Perfect Diamond Hoops Collection. The eternally chic inside-outside hoop, cast in 18k white gold and inlaid with glittering diamonds. Diamonds, 1 tcw 18k white gold Signature synthetic ruby detail at back Diameter, about 0.85" Hinged post back Made in Italy ABOUT THE BRAND Jewelry designer Roberto Coin founded his eponymous line in 1996, with a strong emphasis on elegance and creative experimentation. Each piece is the result of a long creative process, taking inspiration from cultural influences and nature. Fine Jewelry - Roberto Coin Asset > Roberto Coin > Saks Fifth Avenue > Barneys. Roberto Coin. Color: White Gold.