Roberto Coin 32mm Rutilated Quartz, Mother of Pearl & Solid 18K Rose Gold Cocktail Ring - This lovely ring was made by Roberto Coin, and was finely crafted of solid 18k rose gold. The ring boasts a massive 32mm x 23.5mm rutilated quartz cabochon which is set on a mother of pearl background giving the piece a truly unique, iridescent shine. The ring also has an elegant satiny brushed finish, creating a rich and luxurious look. The ring is signed "Roberto Coin" on the inside of the band along with Coin's signature inset genuine ruby, 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. The piece is also signed with Roberto Coin's Italian register mark "1226VI", "Italy" and the gold purity "750". Roberto Coin is an Italian jewelry designer that 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. Ring size: 6.25. Condition: The ring is in excellent condition with minimal wear. (WEIGHT: 32.3 grams) PLEASE NOTE, PRE-AUCTION SALES: GWS reserves the right to sell any Lot(s) through a negotiated transaction at any time prior to the conclusion of the auction. If a Lot is sold through a negotiated transaction, it will be withdrawn from the auction. All pre-auction purchases will receive free, overnight, insured shipping. Please email gwsauctions@gmail.com to submit a pre-auction offer.