Lab Grown Heart Diamonds, 0.20 - 0.49ct
As of April 2026, there are 5,042 lab grown heart diamonds between 0.20 - 0.49ct available across retailers. Prices range from ￥47,372 JPY/ct to ￥540,284 JPY/ct, with an average of ￥181,068 JPY/ct.
Last updated: April 2026
Browse 5,042 diamonds in ExplorerPrice Distribution
LowHigh
| Color | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 |
|---|---|---|---|---|---|---|---|
| D-E | $1,280 | $834 | $730 | $935 | $1,059 | $1,060 | $1,505 |
| F-G | - | $2,456 | $1,188 | $1,413 | $1,350 | $2,016 | $1,515 |
| H-I | $1,628 | $1,733 | $1,435 | $1,344 | $1,297 | $1,310 | $1,274 |
| J-K | - | - | $1,327 | - | $1,128 | $1,104 | - |
| N+ | - | - | $840 | $848 | $1,141 | $1,138 | - |
Price by Color & Clarity
Average price per carat for 0.20 - 0.49ct lab grown heart diamonds by color and clarity grade.
| Color | Clarity | Listings | Avg Price/ct | Spread |
|---|---|---|---|---|
| D-E | IF | 64 | ￥190,996 JPY | 91% |
| D-E | SI1 | 38 | ￥158,169 JPY | 167% |
| D-E | SI2 | 45 | ￥224,687 JPY | 61% |
| D-E | VS1 | 1,280 | ￥139,528 JPY | 72% |
| D-E | VS2 | 248 | ￥158,059 JPY | 67% |
| D-E | VVS1 | 290 | ￥124,467 JPY | 81% |
| D-E | VVS2 | 1,369 | ￥109,026 JPY | 98% |
| F-G | SI1 | 18 | ￥300,821 JPY | 43% |
| F-G | SI2 | 32 | ￥226,133 JPY | 45% |
| F-G | VS1 | 237 | ￥210,863 JPY | 25% |
| F-G | VS2 | 71 | ￥201,458 JPY | 43% |
| F-G | VVS1 | 33 | ￥366,567 JPY | 59% |
| F-G | VVS2 | 207 | ￥177,257 JPY | 76% |
| H-I | IF | 18 | ￥242,961 JPY | 38% |
| H-I | SI1 | 34 | ￥195,512 JPY | 31% |
| H-I | SI2 | 35 | ￥190,119 JPY | 59% |
| H-I | VS1 | 132 | ￥200,663 JPY | 21% |
| H-I | VS2 | 106 | ￥193,525 JPY | 27% |
| H-I | VVS1 | 28 | ￥258,582 JPY | 58% |
| H-I | VVS2 | 86 | ￥214,242 JPY | 22% |
| J-K | SI1 | 24 | ￥164,745 JPY | 44% |
| J-K | VS2 | 25 | ￥168,284 JPY | 30% |
| J-K | VVS2 | 24 | ￥198,094 JPY | 47% |
| N+ | SI1 | 22 | ￥169,787 JPY | 61% |
| N+ | VS1 | 310 | ￥126,494 JPY | 87% |
| N+ | VS2 | 104 | ￥170,368 JPY | 72% |
| N+ | VVS2 | 162 | ￥125,384 JPY | 92% |