Tarun Gupta, GIA Graduate Gemologist, Bangkok

Tarun Gupta

Tarun Gupta is a GIA Graduate Gemologist and Managing Director of Thai Native Gems (1960) Co., Ltd. in Bangkok, a third generation family business trading gemstones since 1959. He holds four GIA diplomas, Graduate Gemologist, Graduate Diamonds, Graduate Colored Stones, and Accredited Jewelry Professional, and has been a GIA alumnus since 2006. A member of the Thai Gem and Jewelry Traders Association, he writes and moderates BuyGemstone.info and sources gemstones and diamonds to specification for clients in Europe, the United States, and Australia.

Credentials

View the GIA diploma scans

Elsewhere

Gemstones, Sapphire

How Much and What Type of Inclusions does a GRS Certified 4 to 5 carat Unheated & Heated Vivid Blue Royal Blue Sri Lanka Sapphire have? [Video]

In the video above, I compared the prices between one unheated (100% natural) and two heated GRS certified 4 to 5 carat, Vivid ‘Royal Blue’ Sri Lankan Sapphire. All three sapphires are 4 to 5 carat each, are GRS certified, vivid ‘royal blue’ from Sri Lanka.  The cost difference is between unheated stone and

How Much and What Type of Inclusions does a GRS Certified 4 to 5 carat Unheated & Heated Vivid Blue Royal Blue Sri Lanka Sapphire have? [Video] Read →