Beautiful Vintage Diamonds Platinum Designer Ring 1-1/2 Carats. The ring is set with more than 1-1/2 carats of I color VS2 clarity brilliant round diamonds. The largest diamond in the center measures .35 carat. This is a beautiful vintage ring in excellent condition ring size 8-1/2. Weight 11.2 grams. The ring from side to side across the top measures 20 plus millimeters. This is a beautiful platinum and diamonds vintage ring guaranteed to please the new owner. The ring is not marked but has been tested with the touchstone and acid method and tests for Platinum. Click Here for Higher Quality Images