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Two unmounted colour change star sapphires 1. Circular star…
Lot No.
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Description:
Two unmounted colour change star sapphires 1. Circular star sapphire weighing 7.76 carats with colour change purple to reddish pink, 2. Circular blue star sapphire weighing 4.58 carats with colour change blue to purple. Accompanied by Global Gemological report no. 0738281069, dated 17 October 2019, stating that the natural colour-change star sapphire is of Sri Lankan origin with no indications of heat treatment., the sapphire appears purple in daylight and reddish pink in incandescent light. Accompanied by GRA report no. B5603147C2K9, dated 30 November 2019, stating that the natural colour-change star sapphire is of Sri Lankan origin with no indications of heat treatment., the sapphire appears blue in daylight and purple in incandescent light.
Estimate:
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Price:
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Category:
Unclassified