Mark M 3.10ct 1/2 down, discount includedTo be set in ring style of 4tz 2175, 14k white gold, size 6; price is for complete ring with tanzanite, diamonds and mounting. One 3. 10 carats oval tanzanite, violet blue exceptional (10% 90%) color, VS1 clarity, cut grade excellent, measuring 7. 7 mm wide, 9. 9 mm long, 5. 7 mm deep; with excellent polish and excellent symmetry. The proportions of the tanzanite are as follows: total depth 74%, table width 46. 8%. The overall quality rating of this