Welcome to The Tokyo Gemological Center (TGC), your trusted gemmological laboratory in Sri Lanka. At TGC, we take pride in being one of the leading gemmological institutions in the Colombo region, dedicated to providing top-notch gemological services to the trade, consumers, and other institutions across the country.
A.S.M. Chathurangani is a highly accomplished and well-respected gemologist with a diverse educational background and extensive experience in the field. Her qualifications and expertise in mineral processing technology and gemology make her a valuable asset to the gemstone industry.
We identify the gemstone’s type, variety, and origin.
We measure its dimensions and note its shape and cutting style.
We describe its color and any notable characteristics.
We determine its carat weight.
We trace the gemstone’s geographic source.
We disclose any enhancements or treatments.
We include high-quality images for your reference.
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