Lab Grown Oval Diamonds
As of April 2026, there are 2,583,044 lab grown oval diamonds available. Prices range from ￥20,572 JPY/ct to ￥4,991,615 JPY/ct, with an average of ￥224,788 JPY/ct.
Last updated: April 2026
By Carat Weight
Price Distribution
LowHigh
| Color | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $3,140 | $1,577 | $1,071 | $732 | $700 | $700 | $621 | $1,177 | $2,366 |
| F-G | - | $1,437 | $1,058 | $724 | $664 | $550 | $630 | $2,837 | $2,543 |
| H-I | - | $2,487 | $1,288 | $820 | $669 | $1,081 | $1,481 | $4,576 | $2,063 |
| J-K | - | $1,570 | $2,094 | $3,157 | $1,487 | $1,628 | $3,146 | $3,576 | $5,721 |
| L-M | - | $1,073 | $1,228 | $1,141 | $1,031 | $1,043 | $1,125 | $1,206 | - |
| N+ | - | $1,858 | $866 | $879 | $864 | $866 | $809 | $1,324 | $483 |
By Carat Weight
0.20-0.29
2,297 listings
Avg: ￥179,447 JPY/ct
0.30-0.49
27,144 listings
Avg: ￥177,339 JPY/ct
0.50-0.74
80,855 listings
Avg: ￥164,143 JPY/ct
0.75-0.99
69,978 listings
Avg: ￥162,635 JPY/ct
1.00-1.24
388,808 listings
Avg: ￥177,014 JPY/ct
1.25-1.49
168,368 listings
Avg: ￥182,663 JPY/ct
1.50-1.99
630,313 listings
Avg: ￥248,426 JPY/ct
2.00-2.49
489,841 listings
Avg: ￥235,873 JPY/ct
2.50-2.99
178,928 listings
Avg: ￥181,397 JPY/ct
3.00-3.99
295,948 listings
Avg: ￥302,244 JPY/ct
4.00-4.99
107,394 listings
Avg: ￥268,971 JPY/ct
5.00-9.99
119,598 listings
Avg: ￥392,872 JPY/ct
10.00+
21,437 listings
Avg: ￥295,599 JPY/ct
unknown
2,135 listings
Avg: ￥296,000 JPY/ct
Price by Color & Clarity
| Color | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 12,550 | ￥468,704 JPY |
| D-E | I | 161 | ￥353,129 JPY |
| D-E | IF | 91,445 | ￥235,348 JPY |
| D-E | SI1 | 14,138 | ￥92,741 JPY |
| D-E | SI2 | 921 | ￥175,605 JPY |
| D-E | VS1 | 637,623 | ￥104,464 JPY |
| D-E | VS2 | 174,139 | ￥104,523 JPY |
| D-E | VVS1 | 250,117 | ￥159,802 JPY |
| D-E | VVS2 | 764,765 | ￥109,254 JPY |
| D-E | other | 22 | ￥117,839 JPY |
| F-G | I | 286 | ￥379,529 JPY |
| F-G | IF | 3,374 | ￥214,544 JPY |
| F-G | SI1 | 7,683 | ￥93,977 JPY |
| F-G | SI2 | 1,009 | ￥423,471 JPY |
| F-G | VS1 | 212,948 | ￥99,049 JPY |
| F-G | VS2 | 61,726 | ￥82,046 JPY |
| F-G | VVS1 | 21,638 | ￥157,948 JPY |
| F-G | VVS2 | 207,395 | ￥108,006 JPY |
| F-G | other | 10 | ￥71,072 JPY |
| H-I | I | 246 | ￥307,838 JPY |
| H-I | IF | 1,216 | ￥371,253 JPY |
| H-I | SI1 | 4,700 | ￥220,991 JPY |
| H-I | SI2 | 2,047 | ￥682,949 JPY |
| H-I | VS1 | 15,785 | ￥99,887 JPY |
| H-I | VS2 | 8,893 | ￥161,285 JPY |
| H-I | VVS1 | 2,971 | ￥192,173 JPY |
| H-I | VVS2 | 9,551 | ￥122,329 JPY |
| J-K | I | 329 | ￥853,819 JPY |
| J-K | IF | 371 | ￥234,397 JPY |
| J-K | SI1 | 4,172 | ￥469,567 JPY |
| J-K | SI2 | 1,456 | ￥533,702 JPY |
| J-K | VS1 | 2,614 | ￥221,898 JPY |
| J-K | VS2 | 3,663 | ￥243,012 JPY |
| J-K | VVS1 | 1,022 | ￥312,592 JPY |
| J-K | VVS2 | 1,181 | ￥471,128 JPY |
| L-M | IF | 29 | ￥160,148 JPY |
| L-M | SI1 | 156 | ￥167,864 JPY |
| L-M | SI2 | 136 | ￥179,967 JPY |
| L-M | VS1 | 136 | ￥153,829 JPY |
| L-M | VS2 | 133 | ￥155,735 JPY |
| L-M | VVS1 | 72 | ￥183,218 JPY |
| L-M | VVS2 | 59 | ￥170,277 JPY |
| N+ | I | 116 | ￥72,077 JPY |
| N+ | IF | 491 | ￥277,327 JPY |
| N+ | SI1 | 2,765 | ￥120,679 JPY |
| N+ | SI2 | 522 | ￥197,547 JPY |
| N+ | VS1 | 27,195 | ￥129,010 JPY |
| N+ | VS2 | 11,154 | ￥129,304 JPY |
| N+ | VVS1 | 1,833 | ￥129,285 JPY |
| N+ | VVS2 | 16,080 | ￥131,165 JPY |