Unique Opal Diamond Emeralds 14K Gold Ring Size 8-1/4 Weight 17.4 Grams. The top of the ring measures 18 mm wide from side to side. It is an unusual and very interesting design. From top to bottom it measures 26 mm. Just the gold weight is more than $500. it is marked 14K and tests for 14K solid gold. Guaranteed to please as are all our items.