Calculate gemstone carat weight from dimensions and specific gravity.
Stone Details
Estimated Weight
Carat Weight1.17ct
Specific Gravity Used4
Note: This stone is heavier than a diamond of the same size.
Overview
Gemstone carat weight measures mass (1 carat = 0.2 grams). Weight can be estimated from dimensions and specific gravity. Different gem types have different densities, affecting carat weight for the same size.
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Pro Tips
Measure length, width, and depth accurately in millimeters.
Specific gravity varies: Diamond 3.52, Ruby 4.0, Emerald 2.7.
Cut quality affects how weight is distributed in the stone.
Larger stones are rarer and more valuable per carat.
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Fun Facts
"1 carat = 200 milligrams = 0.2 grams."
"The Cullinan Diamond weighed 3,106 carats (largest ever found)."
"Gem prices often increase exponentially with carat weight."
