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Frequently Asked Questions (FAQ) / Gem Certificates

Do you provide certificates for your gems?

Yes, you may order a certificate when you add an item to your cart. To do this, click the link "add gem certificate for this item" on the item detail page above the "add to cart" button. This will open the certificate options.
We will take your gem to an independent gemological laboratory for testing and will send you the certificate with your order. Click here for more information.

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  • First Published: February-20-2006
  • Last Updated: November-10-2014
  • © 2005-2016 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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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