Vintage Aquamarine Diamond Wedding Ring in Yellow Gold. This beautiful estate ring holds a vibrant faceted sparkling aquamarine gemstone at its center measuring about 4 x 6 mm oval. The aqua is adorned with fourteen (14) genuine sparkling diamonds. Overall the ring measures about just under 1/4 inch long by about 13/16 inch wide from side to side. Ring Size: about 8 (could be resized by your jeweler or ask me about using mine before shipping). This piece was acquired through an estate collection and is in lovely vintage condition.