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Understand Carat according to Grading Reports of Gemstone

Gemstone weight is offered in metric measurements known as carats. 1 carat is the same as 200 milligrammes, also 1/5 of the gramme or .20 gramme. 142 carats comparable to an oz. Carat is called the conventional unit of weight for many gemstone & gemstones. The most recent carat system has

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