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Sapphire size to weight (sapphire carat) conversion chart. Dimensions to weight correlation of round, emerald, pear, marquise and oval sapphires or gemstones.
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The diamond (with a specific gravity of 3.52,) will weigh 1 carat. A loose sapphire (specific gravity 4,) will weigh 1.14 carats. The opal (specific gravity 2.15) will only weigh .61 carats. There are subtle variations to this list. For example, some list a .25 carat diamond as measuring 4.1 mm.
Use these charts to look up the approximate carat weight ... Sapphire.05 ct.15 ct.34 ct.65 ct: 1.05 ct: 1.41 ct: 1.60 ct: 2.25 ct: 4.50 ct: Topaz.04 ct.11 ct.30 ct.56 ct: ... 6.2 mm.85 carat: 2.5 mm.06 carat: 6.4 mm.95 carat: 2.7 mm.07 carat: 6.5 mm.255 inch or 1/4 inch ...
Here are the approximate carat weight ranges for sapphires in specific sizes and shapes. Oval | Round | Square. Please note that weight ranges are approximations and may vary depending on the cut, depth, and proportions of the stone. The weights are not exact because not all gemstones are cut the same way by gemstone manufacturers.
Price & weight calculator online tool for your precious gemstones & diamond by Gemval. Easy & secure tool to get precise value estimation by dimensions.
Do you want to know the millimeter or carat size of a gemstone such as a diamond or sapphire? The Millimeters to Carat Conversion Chart below converts a gemstones from millimeters (mm) to carat weight size. Millimeter Size (mm) Carat Weight Size 1mm .005 carat 1.25 .009 carat 1.5 .015 carat 2mm .03 carat 2.5mm .06.
28 Μαρ 2024 · To convert the diameter of a gemstone from millimeters to its weight in carats, the following formula is used: Where: This formula factors in the gemstone's volume and density, providing a more accurate conversion than estimations based solely on diameter.
