Violet BLue Emerald Cut Tanzanite Gemstone 1.44 CaratsOne 1. 44 carats emerald cut tanzanite, violet blue vivid color, 10X LOUPE CLEAN clarity, cut grade very good, measuring 5. 2 mm wide, 7 mm long, 4. 3 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 82. 7%. The overall quality rating of this tanzanite is 890 out of 1000. Tanzanites are color enhanced by heating.