14k yellow gold tanzanite ring, with one blue violet exceptional (40%/60%) more violet color, GIA Type I Clarity VS1, emerald cut tanzanite. The tanzanite weighs 2.61 carats, measures 6.7 mm wide by 9 mm long by 4.8 mm deep, and is 4 prong set. In addition, there are twelve prong set round brilliant cut diamonds, F-G color, VS2-SI1 clarity, with a total weight of .06 carat. The ring weighs 3.65 grams. The overall quality rating of this tanzanite is 920 out of 1000.  Tanzanite is color enhanced by heating.