Lot 47

Appraisal :

21000/25000 €

Hammer price :

0 €
Bluish purple sapphire of 7,53 ct. cushion mixed cut. No indication of thermal enhancement following the advice of the Gemmological Institute of India. High clarity and brightness. Saturated luminous color.
Gemmological Institute of India nr. GEM-21100925-001, 17 November 2021. 
Dimensions : 12,71 x 8,94 x 7,02 mm. 

Expert notes:
If the color declined itself under three references of the Munsell Book of Color, it is not by chance. By using two light sources, a warm and a cold one, the stone goes from blue to purple. It is what we call a ‘color change’. This makes the stone more mysterious.

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