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Gem Weights
The table below shows average weights for diamonds. Most other gemstones will weigh
slightly less. Weights will vary slightly from what is shown, depending on the depth
of the cut. Weights given in carats.
| Shape | Size | Weight |
|
Shape | Size | Weight |
|
Shape | Size | Weight |
| Round | 2mm | .03 |
|
Oval | 3x2mm | .08 |
|
Marquis | 3x1.5mm | .05 |
| Round | 3mm | .10 |
|
Oval | 4x3mm | .18 |
|
Marquis | 4x2mm | .10 |
| Round | 4mm | .25 |
|
Oval | 5x3mm | .25 |
|
Marquis | 5x2.5mm | .17 |
| Round | 5mm | .50 |
|
Oval | 6x4mm | .45 |
|
Marquis | 6x3mm | .20 |
| Round | 6mm | .75 |
|
Oval | 8x6mm | 1.25 |
|
Marquis | 8x4mm | .50 |
| Round | 7mm | 1.25 |
|
Oval | 9x7mm | 2.0 |
|
Marquis | 10x5mm | 1.0 |
| Round | 8mm | 2.0 |
|
Oval | 10x8mm | 3.0 |
|
Marquis | 12x6mm | 2.0 |
| Round | 10mm | 4.0 |
|
Oval | 12x10mm | 5.0 |
|
Marquis | 16x8mm | 4.5 |
| 5 Carat
| 1 Gram
|
| 1000 Grams
| 1 Kilo
|
| 28.3495 Grams
| 1 Ounce
|
| 2.2 Pounds
| 1 Kilo
|
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All descriptions and images, except where noted, are the property of
Gem And Mineral Info.com
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holder as indicated.