没有保留价 - 1 pcs 紫罗兰色 坦桑石 - 4.31 ct - 国际宝石研究院（IGI） - 蓝紫色坦桑石

无起拍价

天然坦桑石，附完整的 IGI - International Gemological Institute 报告

Report Number ------------- 788682302
Report Date ------------- April 30, 2026
Species ------------- Natural Zoisite
Variety ------------- TANZANITE

Description ------------- 1 Loose Stone
Weight ------------- 4.31 Ct
Measurements ------------- 8.72 x 7.86 x 7.20 mm
Cut & Shape ------------- Emerald Cut

Color ------------- Bluish Violet
Clarity ------------- Transparent

Comment :-
Tanzanite are commonly enhanced by heat, indicative
evidence is typically lacking.
Indications of clarity enhancement.

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All photos are magnifications, taken with a macro lens with the proper exposure, and are meant to honestly and correctly show any imperfections in the stone.

Needless to say, these are much less visible to the naked eye.