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Diamonds Index
Rough Diamonds
Uncut Diamonds

Round Brilliant Cut Diamond
Round Brilliant Cut Diamond

Princess Cut Diamond
Princess Cut Diamond

Pear Shaped Diamond
Pear Shaped Diamond

Oval Diamond
Oval Diamond

Heart Shaped Diamond
Heart Shaped Diamond

Oblong or Baguette Cut Emerald
Oblong or Baguette Cut Emerald

Trilliant Cut Tsavolite
Trilliant Cut Tsavolite

Octagonal or Emerald Cut Tourmaline
Octagonal or Emerald Cut Tourmaline

Marquise or Navette Cut Diamond
Navette or Marquise Cut Diamond

Radiant Cut Diamond
Radiant Cut Diamond

Brilliance in Diamonds

Brilliance
Before we discuss brilliance in diamonds, it might help to give a few dictionary definitions.

And from a thesaurus: Brilliance as a Desirable Diamond Attribute
Brightness, clarity, splendour, magnificence, sharpness, vivacity, liveliness are all mentioned, and are all highly desirable aspects of a diamond's brilliance. These should not be confused with its fire or dispersion, which is really a separate aspect.

What Makes for Brilliance?
Clarity (lack of inclusions), and well-proportioned cutting and polishing are the two main factors which explain and account for brilliance in diamonds. Much research has been done in the last century to understand, define, measure, and optimise brilliance of facetted diamonds. The GIA (Gemological Institute of America) has undertaken much study. We noted on its website:-

Diamond 4C's Tour - Next Stop - Colour



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