How to Determine the Value of Your Diamond

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How to Choose a Diamond: Four-Minute GIA Diamond Grading Guide by GIA

Watch this video from the GIA for even more in-depth information about the GIA’s Diamond Grading Guide

The 4 C’s of Diamonds

On every diamond that we buy, our GIA Graduate Gemologists in Fort Lauderdale will examine them for the main factors that determine value:


The brilliance of a diamond is directly related to it’s proportions and finish. Nicely cut diamonds will have more brightness and sparkle.  Poorly cut diamonds may be darker in appearance and thus less valuable.


Diamonds may appear colorless (white) or tinted (yellowish). Generally speaking, white diamonds are more valuable than tinted diamonds.  However, natural diamonds have been found in every color (red, blue, green, yellow, etc.). Diamonds may also be treated to artificially enhance their color.


Most diamonds contain certain identifying characteristic that are found in their interior.


This refers to the size of the diamond.