Blue Violet Round Brilliant Cut Tanzanite Gemstone 1.18 caratsOne 1. 18 carats round brilliant cut tanzanite, blue violet vivid (35% 65%) color, VS1 clarity, cut grade very good, measuring 6. 2 mm wide, 6. 3 mm long, 4. 7 mm deep; with good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 75%, table width 48%. The overall quality rating of this tanzanite is 905 out of 1000. Tanzanite is color enhanced by heating. Very close to exceptional color. Customize a Ring or