Metal: 14K Solid Gold Stones: Tanzanite and Diamond. (Tested) Style: Ring. Size: 5.5 Stamp: Stamped and Tested. Description: Gorgeous Tanzanite surrounded by baguette diamonds and round diamonds. This one is really pretty and natural tanzanite is pretty rare and high value. Pictures don’t do justice to the ring. Tags for visibility: Not 10k or 18k.