Thursday, September 17, 2009

Grading Polished Diamonds For Cut

The cutting of a diamond and its proportioning, called "Make" in the jewelry trade, are of extreme importance. The fire (variety and concentration of the prismatic colors emitted) and the brilliance (liveliness or sparkle, of the diamond) directly depend on the proper cutting and proportioning of the diamond. Cut refers not only to the shape of the diamond, but its proportions and finish, factors that influence the final cost of the diamond. Diamonds deliver the most intense flashes and variety of colors to the eye when properly cut of any of gemstones.

When talking about the cut of a stone it is important to be familiar with the anatomy of a diamond. The illustration below is for a round brilliant cut diamond. Different diamond shapes have the same components, however special cuts, radiant cut, princess cut, and all custom cuts have additional facets for added brilliance.

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