A popular style ring with a vivid color tanzanite measuring 6.9 millimeters. Please allow 7-10 business days for custom production. Ladies' 14k white gold tanzanite ring designed by Christopher Michael, with one blue Violet Vivid color, GIA Type I Clarity VS, trilliant cut tanzanite. The tanzanite weighs 1.37 carats, measures 7.3 mm wide by 7.3 mm long by 4.8 mm deep, and is 3 prong set in 14k white gold. The tanzanite has had typical heat treatment, AGTA code H. In addition, there are three prong set ideal round brilliant cut diamonds, F-G color, VS2-SI1 clarity, with a total weight of .11 carat. The ring weighs 5 grams.