Round Brilliance cut lab diamonds
This chart gives you the approximate estimated idea of the number of lab diamonds representing the weight of each carat of a diamond.
1 Carat Weight of Lab Diamond
1 carat diamond weight is 1/5 of 1 gram. For more information about lab grown diamonds and it sizes you can visit the diamond education section of our website or contact us to know more
| Size (mm)(Approx) | Total Weight (Approx) | Pieces (Approx) |
|---|---|---|
| 0.90 to 1.00 mm | 1.00 ct | 200 |
| 1.00 to 1.10 mm | 1.00 ct | 175 |
| 1.10 to 1.15 mm | 1.00 ct | 130 to 140 |
| 1.15 to 1.20 mm | 1.00 ct | 120 to 130 |
| 1.20 to 1.25 mm | 1.00 ct | 110 to 120 |
| 1.25 to 1.30 mm | 1.00 ct | 95 to 110 |
| 1.30 to 1.35 mm | 1.00 ct | 85 to 100 |
| 1.35 to 1.40 mm | 1.01 ct | 75 to 90 |
| 1.40 to 1.45 mm | 1.00 ct | 70 to 75 |
| 1.45 to 1.50 mm | 1.00 ct | 60 to 70 |
| 1.50 to 1.55 mm | 1.01 ct | 60 to 65 |
| 1.55 to 1.60 mm | 1.01 ct | 50 to 55 |
| 1.60 to 1.70 mm | 1.01 ct | 45 to 50 |
| 1.70 to 1.80 mm | 1.01 ct | 40 to 45 |
| 1.80 to 1.90 mm | 1.00 ct | 35 to 40 |
| 1.90 to 2.00 mm | 1.00 ct | 30 to 35 |
| 2.00 to 2.10 mm | 1.00 ct | 25 to 30 |
| 2.10 to 2.20 mm | 1.02 ct | 20 to 25 |
| 2.20 to 2.30 mm | 1.02 ct | 15 to 20 |
| 2.30 to 2.40 mm | 1.05 ct | 15 to 20 |
| 2.40 to 2.50 mm | 1.04 ct | 15 to 20 |
| 2.50 to 2.60 mm | 1.01 ct | 10 to 15 |
| 2.60 to 2.70 mm | 1.04 ct | 10 to 15 |
| 2.70 to 2.80 mm | 1.00 ct | 10 to 15 |
| 2.80 to 2.90 mm | 1.02 ct | 10 to 15 |
| 2.90 to 3.00 mm | 1.11 ct | 10 to 15 |
| 3.00 to 3.10 mm | 1.08 ct | 5 to 10 |
| 3.10 to 3.20 mm | 1.07 ct | 5 to 10 |
| 3.20 to 3.30 mm | 1.02 ct | 5 to 10 |
| 3.30 to 3.40 mm | 1.10 ct | 5 to 10 |
| 3.40 to 3.50 mm | 1.00 ct | 5 to 10 |
| 3.50 to 3.60 mm | 1.09 ct | 6 |
| 3.60 to 3.70 mm | 1.19 ct | 6 |
| 3.70 to 3.80 mm | 1.03 ct | 5 to 6 |
| 3.80 to 3.90 mm | 1.15 ct | 5 |
| 3.90 to 4.00 mm | 1.23 ct | 5 |
| 4.00 to 4.10 mm | 1.02 ct | 4 to 5 |
| 4.10 to 4.20 mm | 1.06 ct | 4 |
| 4.20 to 4.30 mm | 1.20 ct | 4 |
| 4.30 to 4.40 mm | 1.28 ct | 4 |
| 4.40 to 4.50 mm | 1.02 ct | 3 |