Diamonds

Ideal Cut

Identify the Ideal by the Eye of the Diamond

January 17, 2019
Ideal Cut

Ideal Cut

Ideal Cut

What is the American Ideal Cut?

Ideal Cut

The Central Ideal

Ideal Cut

The Accord in Round Brilliant Diamond Cutting

ACA Gemological Laboratory.

A Place for CZ Masters in Diamond Colour Grading

By ACA Gemological Laboratory | Jan 17, 2019
Figure 2. Complete set of GIA graded diamond masters from E through M. Over the last 20 years and despite ...
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Diamond Design and Light Performance 101

By ACA Gemological Laboratory | Nov 6, 2019
Diamond Design and Light Performance Analysis 101 . A brilliant cut diamond’s appearance is a kaleidoscopic pattern of many internal ...
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Round Brilliant Cut Beauty and Light Performance Part 1

By ACA Gemological Laboratory | Aug 13, 2020
  Round Brilliant Cut Beauty and Light Performance Part 1 Going back over 100 years, numerous efforts have been made ...
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Round Brilliant Cut Beauty and Light Performance Part 2

By ACA Gemological Laboratory | Oct 15, 2020
Round Brilliant Cut Beauty and Light Performance Part 2 Going back over 100 years, numerous efforts have been made to ...
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