Lab Grown Round Diamonds, 0.20 - 0.49ct
As of April 2026, there are 609,367 lab grown round diamonds between 0.20 - 0.49ct available across retailers. Prices range from ￥38,445 JPY/ct to ￥1,545,567 JPY/ct, with an average of ￥167,686 JPY/ct. Approximately 78% of these diamonds are available at multiple retailers, with an average price spread of 61%.
Last updated: April 2026
Browse 609,367 diamonds in ExplorerPrice Distribution
LowHigh
| Color | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $3,111 | $1,677 | $856 | $784 | $817 | $1,053 | $1,216 | $1,139 | $838 |
| F-G | $1,528 | $1,770 | $1,634 | $1,466 | $1,425 | $1,444 | $1,207 | $991 | $618 |
| H-I | $1,189 | $1,471 | $1,402 | $1,352 | $1,254 | $1,231 | $1,012 | $942 | $559 |
| J-K | - | $1,251 | $1,192 | $1,152 | $1,059 | $1,030 | $945 | $840 | $584 |
| L-M | - | $1,324 | $1,124 | $1,110 | $975 | $903 | $882 | $623 | $554 |
| N+ | - | $3,233 | $1,054 | $852 | $837 | $985 | $932 | $759 | $404 |
Price by Color & Clarity
Average price per carat for 0.20 - 0.49ct lab grown round diamonds by color and clarity grade.
| Color | Clarity | Listings | Avg Price/ct | Spread |
|---|---|---|---|---|
| D-E | FL | 1,387 | ￥464,314 JPY | 29% |
| D-E | I | 2,600 | ￥125,036 JPY | 70% |
| D-E | IF | 18,509 | ￥250,248 JPY | 63% |
| D-E | SI1 | 17,121 | ￥181,506 JPY | 44% |
| D-E | SI2 | 6,909 | ￥170,000 JPY | 51% |
| D-E | VS1 | 94,440 | ￥121,990 JPY | 81% |
| D-E | VS2 | 28,845 | ￥157,113 JPY | 85% |
| D-E | VVS1 | 65,152 | ￥127,780 JPY | 82% |
| D-E | VVS2 | 141,876 | ￥117,031 JPY | 73% |
| F-G | FL | 24 | ￥228,121 JPY | 24% |
| F-G | I | 3,124 | ￥92,196 JPY | 89% |
| F-G | IF | 11,545 | ￥264,113 JPY | 37% |
| F-G | SI1 | 13,969 | ￥180,190 JPY | 41% |
| F-G | SI2 | 10,724 | ￥147,869 JPY | 58% |
| F-G | VS1 | 10,393 | ￥212,687 JPY | 46% |
| F-G | VS2 | 8,815 | ￥215,493 JPY | 42% |
| F-G | VVS1 | 15,967 | ￥243,899 JPY | 38% |
| F-G | VVS2 | 12,855 | ￥218,762 JPY | 45% |
| H-I | FL | 15 | ￥177,415 JPY | 30% |
| H-I | I | 2,218 | ￥83,495 JPY | 112% |
| H-I | IF | 6,961 | ￥219,626 JPY | 41% |
| H-I | SI1 | 19,079 | ￥150,981 JPY | 42% |
| H-I | SI2 | 11,440 | ￥140,650 JPY | 53% |
| H-I | VS1 | 12,690 | ￥187,110 JPY | 42% |
| H-I | VS2 | 11,780 | ￥183,726 JPY | 47% |
| H-I | VVS1 | 11,906 | ￥209,231 JPY | 40% |
| H-I | VVS2 | 12,577 | ￥201,818 JPY | 41% |
| J-K | I | 1,175 | ￥87,216 JPY | 82% |
| J-K | IF | 2,502 | ￥186,693 JPY | 44% |
| J-K | SI1 | 6,064 | ￥141,000 JPY | 41% |
| J-K | SI2 | 3,957 | ￥125,405 JPY | 63% |
| J-K | VS1 | 5,923 | ￥158,035 JPY | 34% |
| J-K | VS2 | 6,084 | ￥153,784 JPY | 42% |
| J-K | VVS1 | 4,530 | ￥177,931 JPY | 48% |
| J-K | VVS2 | 4,695 | ￥171,884 JPY | 45% |
| L-M | I | 297 | ￥82,704 JPY | 49% |
| L-M | IF | 664 | ￥197,618 JPY | 51% |
| L-M | SI1 | 1,620 | ￥131,617 JPY | 45% |
| L-M | SI2 | 807 | ￥93,043 JPY | 88% |
| L-M | VS1 | 1,504 | ￥145,460 JPY | 65% |
| L-M | VS2 | 1,726 | ￥134,804 JPY | 51% |
| L-M | VVS1 | 1,734 | ￥167,700 JPY | 56% |
| L-M | VVS2 | 1,449 | ￥165,737 JPY | 64% |
| N+ | I | 936 | ￥60,263 JPY | 99% |
| N+ | IF | 85 | ￥482,476 JPY | 111% |
| N+ | SI1 | 740 | ￥139,107 JPY | 109% |
| N+ | SI2 | 523 | ￥113,245 JPY | 98% |
| N+ | VS1 | 3,603 | ￥124,919 JPY | 78% |
| N+ | VS2 | 1,327 | ￥147,082 JPY | 82% |
| N+ | VVS1 | 814 | ￥157,250 JPY | 153% |
| N+ | VVS2 | 3,687 | ￥127,099 JPY | 73% |