Lab Grown Cushion Diamonds, 0.20 - 0.49ct
As of April 2026, there are 9,962 lab grown cushion diamonds between 0.20 - 0.49ct available across retailers. Prices range from ￥20,696 JPY/ct to ￥907,943 JPY/ct, with an average of ￥203,530 JPY/ct.
Last updated: April 2026
Browse 9,962 diamonds in ExplorerPrice Distribution
LowHigh
| Color | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 |
|---|---|---|---|---|---|---|---|
| D-E | $1,326 | $883 | $818 | $772 | $733 | $690 | $1,116 |
| F-G | - | $691 | $729 | $686 | $735 | $1,402 | - |
| H-I | - | $1,618 | $1,938 | $1,831 | $1,361 | $1,769 | $1,016 |
| J-K | - | $1,393 | $1,791 | $1,729 | $1,421 | $1,337 | - |
| N+ | - | $2,048 | $1,311 | $1,052 | $1,368 | $2,117 | $3,485 |
Price by Color & Clarity
Average price per carat for 0.20 - 0.49ct lab grown cushion diamonds by color and clarity grade.
| Color | Clarity | Listings | Avg Price/ct | Spread |
|---|---|---|---|---|
| D-E | IF | 219 | ￥197,910 JPY | 68% |
| D-E | SI1 | 105 | ￥103,057 JPY | 95% |
| D-E | SI2 | 37 | ￥166,609 JPY | 84% |
| D-E | VS1 | 2,190 | ￥115,177 JPY | 86% |
| D-E | VS2 | 513 | ￥109,387 JPY | 64% |
| D-E | VVS1 | 1,981 | ￥131,841 JPY | 87% |
| D-E | VVS2 | 3,259 | ￥122,151 JPY | 88% |
| F-G | SI1 | 20 | ￥209,309 JPY | 98% |
| F-G | VS1 | 61 | ￥102,445 JPY | 72% |
| F-G | VS2 | 65 | ￥109,663 JPY | 116% |
| F-G | VVS1 | 36 | ￥103,075 JPY | 77% |
| F-G | VVS2 | 81 | ￥108,742 JPY | 86% |
| H-I | SI1 | 55 | ￥263,997 JPY | 57% |
| H-I | SI2 | 11 | ￥151,642 JPY | 34% |
| H-I | VS1 | 66 | ￥273,223 JPY | 53% |
| H-I | VS2 | 77 | ￥203,084 JPY | 61% |
| H-I | VVS1 | 21 | ￥241,418 JPY | 27% |
| H-I | VVS2 | 137 | ￥289,186 JPY | 49% |
| J-K | SI1 | 63 | ￥199,545 JPY | 30% |
| J-K | VS1 | 77 | ￥258,001 JPY | 57% |
| J-K | VS2 | 37 | ￥212,090 JPY | 61% |
| J-K | VVS1 | 30 | ￥207,891 JPY | 25% |
| J-K | VVS2 | 86 | ￥267,322 JPY | 49% |
| N+ | SI1 | 95 | ￥315,993 JPY | 88% |
| N+ | SI2 | 40 | ￥520,193 JPY | 23% |
| N+ | VS1 | 285 | ￥156,961 JPY | 105% |
| N+ | VS2 | 165 | ￥204,192 JPY | 97% |
| N+ | VVS1 | 22 | ￥305,743 JPY | 243% |
| N+ | VVS2 | 128 | ￥195,710 JPY | 121% |