Converting Marquise Shaped Diamonds From Millimeters To Carat Weight

Marquise Cut Loose Diamond 1.2 Ct, CHAMPAGNE Color ,SI2 Clarity(opens in a new tab)

Marquise Shaped Diamonds

The Marquise cut (opens in a new tab) has an extremely luminous center and has the same number of facets as the round cut diamond. The polishing of this shape requires great skill to ensure that it exudes great light. The marquise shaped diamond is becoming increasingly popular as a center stone for an diamond solitaire engagement rings (opens in a new tab) and a pair of marquise diamonds can also be used as side stones for a larger oval center stone.

Marquise Cut Diamond Converter Chart

Marquise Cut Diamond Millimeter to Carat Weight Conversion
Millimeters Carat Weight Millimeters Carat Weight
 3 x 1.5 0.025  9 x 5  0.76 
3.5 x 1.75  0.065  9.5 x 2  0.85 
3.5 x 2  0.07  10 x 5  0.95 
3.75 x 1.75   0.11 11 x 5.5  1.25 
 4 x 2 0.1  11.5 x 6  1.33 
4.25 x 2.25  0.12  12 x 6   1.62
5 x 2.5  0.14  12 x 6.5   1.71
5 x 3   0.2 13 x 6.5  2.11 
5.5 x 2.75  0.16  14 x 7  2.48 
5.5 x 3  0.18  15 x 7.5  3.09 
6 x 3  0.25  14 x 8 
6.5 x 3  0.23  15 x 7  3.12 
7 x 3  0.3  15 x 8  3.44 
 7 x 3.5 0.35  16 x 8   3.86
7 x 4  3.4  17 x 8.5  4.88 
7.5 x 3.5   0.33  17.5 x 10  5.5
8 x 4   0.47 20 x 8  7.08 
9 x 4.5   0.71    

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Other Millimeter To Carat Weight Converter Charts

Here you can find more converter charts for the other diamond shapes (opens in a new tab). You can also find a large range of loose marquise shaped diamonds (opens in a new tab) in a range of carat weights and colors.