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  • English speaking customer support only

    Toll Free - USA & Canada only:
    1-800-464-1640

    International:
    +66-39303404

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GemSelect Partnerships

GemSelect has leading partnerships and affiliations with industry leaders:

  • PayPal verified member since 2004
  • Kasikorn Bank - second biggest bank in Thailand
  • FedEx account in excellent standing
  • Dun and Bradstreet D&B
  • Asian Institute of Gemological Science (AIGS)
  • Chanthaburi Gem & Jewelry Traders Association (CGA)
  • International Colored Gemstone Association (ICA)
  • Thai Gem & Jewelry Trade Association (TGJTA)
  • GeoTrust (secure SSL)
  • Visa merchant
  • MasterCard merchant
  • Thai Postal Service
  • United States Postal Service
  • Shopzilla - Bizrate merchant ratings


External links
  • First Published: February-20-2006
  • Last Updated: January-24-2018
  • © 2005-2019 GemSelect.com all rights reserved.
    Reproduction (text or graphics) without the express written consent of GemSelect.com (SETT Company Ltd.) is strictly prohibited.
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English speaking customer support only

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International:
+66-39303404

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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart