Chemical analysis was performed by the Asian Institute of Gemological Sciences’ Bangkok lab. Large fissures across the stone were filled with unusual orange stains displaying dendrite inclusions, along with needles along twin planes and what appeared to be tiny gas bubbles. Testing showed a number of conflicting features. At the time of take-in, the client stated that the gem’s origin was Sri Lanka, but the client was unsure of whether or not it had been treated.
In November of 2015, an orangish pink “padparadscha” sapphire of 14 ct was submitted for testing at Lotus Gemology’s Bangkok laboratory.
Testing showed a number of conflicting features that suggested the gem was a cleverly treated synthetic pink sapphire designed to imitate natural padparadscha. An orangish pink “padparadscha” sapphire was submitted for testing at Lotus Gemology’s Bangkok laboratory.
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