Diamonds and Diamond Grading

Diamonds and Diamond Grading

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(A) A relatively too shallow stone, either a too shallow old-cut brilliant or a brilliant damaged at the point or culet, must be ... For calculating the presumable cutting loss, the original weight of the stone before re-cutting is taken as 100 per cent, anbsp;...

Title:Diamonds and Diamond Grading
Author:Godehard Lenzen
Publisher:Butterworth-Heinemann - 1983


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