gemstone menu
New Arrivals Pairs Lots Contact
  : : Policy & Information
Frequently Asked Questions (FAQ) / Calibrated Size Tolerance

I need a 7 x 5 mm gem for a standard setting. How much can a gem vary from 7 x 5 mm and still fit?

As a general rule, gems weighing under one carat can be within 0.2 mm of the calibrated size in order to fit a standard setting. For gems weighing over one carat, a 0.3 mm variance can usually be accommodated and sometimes more. Round stones have a greater variance; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

Return to FAQ HOME

Email to a Friend
Please enter code above
English speaking customer support only

Toll Free - USA & Canada only:


Subscribe to our Newsletter
Reorder Items
Select Language by clicking on the Image
Russian Italian German French Chinese English
Русский Italiano Deutsch Français Chinese English

Save Money
No shipping Fees for Additional Items!
$6.99 Worldwide Shipping