Millimeter to carat weight chart

FROM MM TO MM Stones per carat Weight of each stone SIEVE PLATE
0.70 0.75 630 0.0017 ct
0.75 0.80 570 0.0019 ct
0.80 0.85 380 0.0024 ct
0.85 0.90 320 0.0029 ct
0.90 0.95 295 0.0034 ct
0.95 1.00 250 0.0040 ct 0.00
1.0 1.05 220 0.0045 ct
1.05 1.10 190 0.0053 ct
1.10 1.15 160 0.0062 ct 0
1.15 1.20 143 0.0070 ct 1.00
1.20 1.25 130 0.0077 ct 1.5
1.25 1.30 115 0.0087 ct 2.00
1.30 1.35 103 0.0097 ct 2.5
1.35 1.40 93 0.0108 ct 3.0
1.40 1.45 84 0.0120 ct 3.5
1.45 1.50 75 0.0133 ct 4.00
1.50 1.55 65 0.0154 ct 4.5
1.55 1.60 62 0.0161 ct 5.0
1.60 1.65 56 0.0179 ct 5.5
1.65 1.70 52 0.0192 ct 5.75
1.70 1.75 48 0.0208 ct 6
1.75 1.80 44 0.0227 ct 6.25
1.80 1.85 41 0.0244 ct 6.5
1.85 1.90 37 0.0270 ct 6.75
1.90 1.95 35 0.0286 ct 7
1.95 2.0 32 0.0313 ct 7.25
2.0 2.05 29 0.0345 ct 7.5
2.05 2.10 26 0.0385 ct 7.75
2.10 2.15 25 0.0400 ct 8
2.15 2.20 24 0.0417 ct 8.25
2.20 2.25 22 0.0454 ct 8.5
2.25 2.30 20 0.0500 ct 8.75
2.30 2.35 18.5 0.0541 ct 9
2.35 2.40 18 0.0556 ct 9.25
2.40 2.45 17 0.0589 ct 9.5
2.45 2.50 16.5 0.0606 ct 9.75
2.50 2.55 16 0.0625 ct 10
2.55 2.60 15.5 0.0645 ct 10.25
2.60 2.65 14.5 0.0690 ct 10.5
2.65 2.70 14 0.0714 ct 10.75
2.70 2.75 13.5 0.0740 ct 11
2.75 2.80 12.5 0.0800 ct 11.25
2.80 2.85 12 0.0833 ct 11.5
2.85 2.90 11 0.0901 ct 11.75
2.90 2.95 10.5 0.0952 ct 12
2.95 3.00 9.5 0.1053 ct 12.25
3 3.05 10 0.101 ct 12.5
3.05 3.1 10 0.107 ct 12.75
3.1 3.15 9 0.114 ct 13
3.15 3.2 9 0.1202 ct 13.25
3.2 3.25 8 0.1301 ct 13.25
3.25 3.3 8 0.135 ct 13.75
3.3 3.35 8 0.14 ct 14
3.35 3.4 7.5 0.145 ct 14.25
3.4 3.45 7.5 0.149 ct 14.5
3.45 3.5 7 0.156 ct 14.75
3.5 3.55 6 0.161 ct 15
3.55 3.6 6 0.168 ct 15.25
3.6 3.65 6.5 0.173 ct 15.5
3.65 3.7 6.5 0.185 ct 15.75
3.7 3.75 5 0.196 ct 16
3.75 3.8 5 0.205 ct 16.25
3.8 3.85 5 0.217 ct 16.5
3.85 3.9 4.25 0.228 ct 16.75
3.95 4 4.25 0.236 ct 17
4 4.05 4 0.249999 ct 17.5

Our Sources

Polished. Not re-polished. All our diamonds originate from respected diamond mining companies. Not from prior used Jewelry. Not from blood diamonds.

Our Assortments

We know how frustrating it is to have different qualities in the same jewel. If you to reorder diamonds for a previously made jewel, be assured that the second batch will be exactly the same as the first.

Our Calibration

We are as meticulous as you are. Your settings are perfectly calibrated so are our diamonds. They’ll always fit, guaranteed.

Our Packaging

Each size and for each sub-project is individually packed, and labeled. On the label you’ll have standard; the size, number of stones, color, purity, and carat weight. We will also add any reference information you should need, should you so desire.

Express Delivery

From our table to your bench. We know how crucial the timing is for the diamond setter or the jeweler to get the jewelry delivered on time. We offer you over night delivery of your melee. We go out of our way, to make your day!

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