14k White Gold Trilliant Tanzanite and Diamond Ring 4.78 CaratsOne 14 karat white gold tanzanite ring designed by Christopher Michael set with one 4. 78 carats trilliant cut tanzanite, violet blue exceptional (45% 65%) color, FLAWLESS TO VVS clarity, cut grade very good, measuring 11 mm wide, 11 mm long, 6. 8 mm deep; with very good polish and very good symmetry. The proportions of the tanzanite are as follows: total depth 61. 8%, table width 51. 8%. The overall quality rating of this tanzanite is 942 out of