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One 21.23 carats antique cushion blue topaz, swiss blue color, VS clarity, cut grade excellent, measuring 13.1 mm wide, 16.8 mm long, 11 mm deep; with excellent polish and excellent symmetry. The proportions of the blue topaz are as follows: total depth 83.9%, table width 41.9%. The overall quality rating of this tanzanite is 942 out of 1000. Topaz is color enhanced by irradiation. Cut by Steve Moriarty
