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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 "Certificate Options" 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.

For detailed certificate options including pricing and turnaround time please click here

We also offer complimentary company reports, which can be previewed before buying gemstones by clicking on "Certificate Options" above the "Add to Cart" button. Once the gemstone has been purchased, the complimentary gem report can be accessed via the customer account. To do this, simply login to your account, select "Order History" and then click on "show details". You will see an option below each listed item to "Download Identification Report". Simply click on this and print out your PDF report.

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  • 首次发布于: 二月-20-2006
  • 最后更新于：: 行进-31-2021
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大小和重量

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