Authenticated and professionally cleaned!! 1980 P*M Vintage Genuine Topaz Sterling Silver & Diamonds Ring NOT David Yurman Vintage Old precursor of David Yurman's similar items Superb item, 13 x 13 mm ornament, the topaz is 7 x 7 mm in the center, the diamonds are on the border Hallmarked P*M and 925 (see details in the pic) Gems were tested by jeweler with special machines and they tested as genuine diamonds and genuine sapphires Another inspector stated they are natural gems