Roberto Coin 15.25ctw Peridot & Tsavorite Garnet, 6.00ctw Black Diamond Solid 18K White Gold Large Dome Cocktail Ring - This mesmerizing piece from Roberto Coin was finely crafted of solid 18k white gold and has a large domed shape. This astonishing piece is executed to perfection, and is set with approximately 12.00ctw gleaming vivid green peridot along with approximately 3.25ctw tsavorite garnet accents. The piece is also embellished with approximately 6.00ctw black diamonds, completing the piece flawlessly. The ring is stamped with Roberto Coin's Italian register mark along with the gold purity "750", "Italy" and Coin's signature inset ruby on the inside of the piece in direct contact with the skin of whom ever wears it. Coin signs each one of his pieces with this magical signature, which represents the message of good wishes that Roberto Coin dedicates to his clientele. Roberto Coin has designed some of the finest pieces of jewelry ever made, and the world of fashion recognizes him as the author of many of the most interesting trends in the jewelry world over the last decades. Each piece made by Roberto Coin is not only jewelry but a piece of art, and the brand is among the most renowned Italian jewelers and at the top of international studies on creativity and quality. The ring measures 29mm x 30mm across the top of the piece. Ring size: 8. Condition: The ring is in excellent estate condition with minimal wear. (WEIGHT: 19.9 grams)