1) Select your diamond shape

round diamond

Round

oval diamond

Oval

heart diamond

Heart

trillion diamond

Trillion

princess diamond

Princess

baguette diamond

Baguette

emerald diamond

Emerald

radiant diamond

Radiant

marquise diamond

Marquise

pear diamond

Pear

2) Measure the diamond (table up) across its widest points

mm

3) Measure the diamond (table up) across its narrowest points

mm

(2 + 3 will be almost identical for round diamonds)

4) Measure the depth or height of the diamond

mm

(from the culet to the top of the table)

Diamond Measurements

Your Diamond Carat weight is: