Diamond weights and millimeter measurements
Diamond weights are listed as fractions and range as follows:

Diamond Weight  Carat Diamond Weight  Carat
as Fraction Weight Range as Fraction Weight Range
1/20 = .04-.05 3/8 = .36-.45
1/15 = .06-.08 1/2 = .46-.58
1/10 = .09-.11 5/8 = .59-.64
1/8 = .12-.13 2/3 = .65-.69
1/7 = .14-.15 3/4 = .70-.79
1/6 = .16-.17 7/8 = .80-.95
1/5 = .18-.22 1 = .96-1.07
1/4 = .23-.28 2 = 1.96-2.07
1/3 = .29-.35

 

Sizes of many items are given in millimeters (mm)  Conversion to inches is as follows: One inch =approximately 25mm

Cut
Color
Clarity
Carat Weight
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Ideal Cut Diamonds
Ben Bridge Signature™ Diamonds
Ikuma™ Diamonds by Ben Bridge
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Diamond Shows
Diamond Sizes
Diamond Weights
Millimeter Measurements