Precious Advisory

3EX GIA Diamond

There are many factors which determine the beauty of a diamond, that is why it is quite complicated to state all factors and so the GIA only 3 primary factors that they use in grading diamond cuts:

  • Proportions

Proportions of the table, width, and depth.

  • Symmetry

The preciseness of the angles and the facets.

  • Polish

The shine and the sparkle of the texture.

If a diamond has all three factors, it is a “3Ex Diamond” or “Triple Excellent Diamond”.

If you want to know how good your diamond’s cut is, try shining light from an ordinary lamp into it. Take notice of how it sparkles when you slowly move it – more importantly, you should refer to your diamond report to see if what you see correlates to what is stated on paper.

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