Roberto CoinCross MedallionDetails18-karat yellow gold link chain. 18-karat yellow gold medallion. 12 inlaid diamonds form a cross; 0. 04 total carat weight. Great for gifting, this coin pendant has a cutout instead of a bale so she can slip-knot it with her favorite necklaces and bracelets. Necklace, 18L with 16 jump ring. Medallion, 5/8. Made in Italy. Designer About Roberto Coin:Since founding his own company in 1977, Roberto Coin has rightfully gained fame as a tireless innovator, most notably for pioneering the use of three-color gold in 1978. His jewelry seems to capture the fluidity of his amphibious hometown, Venice-forms and shapes meld, creating a sense of wholeness, the distinction between the timeless and the modern ever-blurred. Perpetually reinventing his personal style, Roberto Coin produces more than 600 unique jewelry models annually. Each piece includes a hidden 0. 3 carat ruby, a signature of the designer.