20.00 carat      = 4,000 milligram = 4.00 gram
15.00 carat      = 3,000 milligram = 3.00 gram
10.00 carat      = 2,000 milligram = 2.00 gram
8.00 carat        = 1,600 milligram = 1.60 gram
7.00 carat        = 1,400 milligram = 1.40 gram
6.00 carat        = 1,200 milligram = 1.20 gram
5.00 carat        = 1,000 milligram = 1.00 gram
4.00 carat        =    800 milligram = 0.80 gram
3.00 carat=    600 milligram = 0.60 gram
2.50 carat=    500 milligram = 0.50 gram
2.25 carat=    450 milligram = 0.45 gram
2.00 carat=    400 milligram = 0.40 gram
1.75 carat=    350 milligram = 0.35 gram
1.50 carat=    300 milligram = 0.30 gram
1.25 carat=    250 milligram = 0.25 gram
1.00 carat       =    200 milligram = 0.20 gram
0.85 carat=    170 milligram = 0.17 gram
0.75 carat=    150 milligram = 0.15 gram
0.65 carat=    130 milligram = 0.13 gram
0.50 carat=    100 milligram = 0.10 gram
0.40 carat=      80 milligram = 0.08 gram
0.33 carat=      66 milligram = 0.06 gram
0.25 carat=      50 milligram = 0.05 gram
0.20 carat=      40 milligram = 0.04 gram
0.15 carat=      30 milligram = 0.03 gram
0.10 carat=      20 milligram = 0.02 gram
0.07 carat       =      14 milligram = 0.014 gram
0.05 carat       =      10 milligram = 0.010 gram
0.03 carat       =        6 milligram = 0.006 gram
Why the carat weight is most impacting the price?
The more the diamond weighs, the rarer and exponential more expensive it is!

The price of a diamond is most significantly impacted by carat weight.
No surprise that the demand of larger diamonds drive prices because of their rarity.

Compare diamond Carat weight to Carat size - Carat weight is expressed in milligrams, grams - Find converter here

Convert diamond weight according to carat size - How big are carat diamonds in weight?

Carat is the unit of mass to measure the weight of precious stones - You buy diamonds by carat weight, not by size.
Diamonds of the same weight can have different sizes, measurements and different shapes.
Find out which shape looks largest.

Find out how heavy your diamond is in weight
Diamond Weight in grams, milligrams and points. Compare weight
in carats to size in mm
0.01 carat       =        2 milligram = 0.002 gram
Convert weight in Size for different actual shapes:

Round brilliant carat sizes

Princess carat sizes

Emerald carat sizes

Pear carat sizes

Oval carat sizes

Heart carat sizes

Trillion - trilliant carat sizes

Marquise carat sizes

Radiant carat sizes

Asscher carat sizes

Cushion carat sizes

Each diamond has its own weight.
Each diamond will differ from the standard weight!
Email     Tel: +32 3 233 29 90
Antwerp World Diamond Centre, Diamond Exchange, Hoveniersstraat 2, Antwerp / Belgium / Europe
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This page was last updated on: August 7, 2018
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