Roberto Coin's dainty huggie hoop earrings are crafted of 18K white gold set with sparkling round diamonds. The acclaimed jewelry designer signs each earring with a single ruby placed in a concealed location. Diamonds, 0.70 tcw 18K white gold Leverback Made in Italy SIZE About 13mm diameter 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.