Lab Grown Cushion Diamonds, 1.00 - 1.49ct
As of April 2026, there are 145,176 lab grown cushion diamonds between 1.00 - 1.49ct available across retailers. Prices range from ￥26,827 JPY/ct to ￥764,403 JPY/ct, with an average of ￥143,539 JPY/ct. Approximately 25% of these diamonds are available at multiple retailers, with an average price spread of 94%.
Last updated: April 2026
Browse 145,176 diamonds in ExplorerPrice Distribution
LowHigh
| Color | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $3,013 | $1,177 | $650 | $555 | $508 | $512 | $468 | $602 | - |
| F-G | - | $1,029 | $557 | $470 | $423 | $437 | $465 | $1,128 | $1,388 |
| H-I | - | $2,185 | $1,271 | $574 | $513 | $627 | $1,050 | $1,986 | $1,388 |
| J-K | - | - | $2,747 | $1,269 | $1,340 | $1,404 | $1,505 | $1,802 | - |
| L-M | - | - | - | $1,089 | - | $1,168 | $996 | - | - |
| N+ | - | $1,228 | $676 | $636 | $622 | $670 | $691 | $605 | $256 |
Price by Color & Clarity
Average price per carat for 1.00 - 1.49ct lab grown cushion diamonds by color and clarity grade.
| Color | Clarity | Listings | Avg Price/ct | Spread |
|---|---|---|---|---|
| D-E | FL | 111 | ￥449,735 JPY | 62% |
| D-E | IF | 2,993 | ￥175,643 JPY | 90% |
| D-E | SI1 | 952 | ￥69,821 JPY | 86% |
| D-E | SI2 | 116 | ￥89,797 JPY | 380% |
| D-E | VS1 | 39,183 | ￥75,863 JPY | 69% |
| D-E | VS2 | 9,327 | ￥76,465 JPY | 74% |
| D-E | VVS1 | 14,277 | ￥96,996 JPY | 71% |
| D-E | VVS2 | 40,323 | ￥82,763 JPY | 71% |
| F-G | I | 30 | ￥207,164 JPY | 54% |
| F-G | IF | 167 | ￥153,585 JPY | 84% |
| F-G | SI1 | 466 | ￥69,384 JPY | 62% |
| F-G | SI2 | 54 | ￥168,381 JPY | 412% |
| F-G | VS1 | 11,584 | ￥63,205 JPY | 76% |
| F-G | VS2 | 4,165 | ￥65,290 JPY | 73% |
| F-G | VVS1 | 1,137 | ￥83,084 JPY | 73% |
| F-G | VVS2 | 7,002 | ￥70,200 JPY | 72% |
| H-I | I | 13 | ￥207,112 JPY | 44% |
| H-I | IF | 11 | ￥326,142 JPY | 73% |
| H-I | SI1 | 95 | ￥156,647 JPY | 174% |
| H-I | SI2 | 57 | ￥296,418 JPY | 72% |
| H-I | VS1 | 483 | ￥76,507 JPY | 73% |
| H-I | VS2 | 225 | ￥93,605 JPY | 147% |
| H-I | VVS1 | 112 | ￥189,699 JPY | 109% |
| H-I | VVS2 | 278 | ￥85,721 JPY | 95% |
| J-K | SI1 | 181 | ￥224,589 JPY | 40% |
| J-K | SI2 | 68 | ￥268,958 JPY | 72% |
| J-K | VS1 | 200 | ￥199,937 JPY | 2% |
| J-K | VS2 | 298 | ￥209,523 JPY | 2% |
| J-K | VVS1 | 19 | ￥410,000 JPY | 92% |
| J-K | VVS2 | 89 | ￥189,403 JPY | 58% |
| L-M | SI1 | 14 | ￥148,696 JPY | 41% |
| L-M | VS2 | 10 | ￥174,281 JPY | 48% |
| L-M | VVS2 | 19 | ￥162,554 JPY | 20% |
| N+ | I | 19 | ￥38,209 JPY | 27% |
| N+ | IF | 147 | ￥183,272 JPY | 81% |
| N+ | SI1 | 388 | ￥103,119 JPY | 99% |
| N+ | SI2 | 85 | ￥90,325 JPY | 76% |
| N+ | VS1 | 4,900 | ￥92,887 JPY | 90% |
| N+ | VS2 | 1,560 | ￥99,962 JPY | 89% |
| N+ | VVS1 | 532 | ￥100,932 JPY | 103% |
| N+ | VVS2 | 3,486 | ￥94,925 JPY | 90% |