This precious collection halo oval shaped tanzanite engagement ring is immaculate for any get up. Crafted with 92 round diamonds weighing 0. 95 carats, and 1 oval tanzanite with a significant weight of 6. 78 carats in a lovely design. Additional Information: 92 round diamonds weighing 0. 95 carats, and 1 oval tanzanite with a significant weight of 6. 78 carats.