14K White Gold Oval Tanzanite and Diamond Shank Ring 2.61 Carats14k white gold tanzanite ring, with one violet blue exceptional (15% 85%) strong blue color, GIA Type I Clarity VS1, oval tanzanite. The tanzanite weighs 2. 61 carats, measures 7. 1 mm wide by 9. 3 mm long, has excellent cut, excellent polish and excellent symmetry, and is 4 prong set. The overall quality rating of this tanzanite is 970 out of 1000. In addition, there are twenty prong set round brilliant cut diamonds, F G color, VS2 SI1 clarity, with