Colour Change Sapphire

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Gemstone: Sapphire
Treatments:None reported
Cut Type:Cushion
Weight:3.36 cts.
Dimensions:8.6mm x 7.3mm x 6.1mm
Purplish blue changes to a lavender purple colour. Certified by GIA and also the best lab in Sri Lanka as no heat using FTIR.

Easily verified as no heat with microscope, quite clean just some moderate silk under magnification that shows it is unheated.

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