Natural Round Diamonds
As of April 2026, there are 3,385,170 natural round diamonds available. Prices range from ￥11,297 JPY/ct to ￥33,962,686 JPY/ct, with an average of ￥1,218,989 JPY/ct.
Last updated: April 2026
By Carat Weight
Price Distribution
LowHigh
| Color | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $21K | $20K | $23K | $9,291 | $3,312 | $15K | $9,017 | $7,034 | $5,391 |
| F-G | $16K | $17K | $16K | $12K | $14K | $13K | $10K | $7,677 | $4,658 |
| H-I | $6,250 | $11K | $11K | $10K | $9,838 | $9,083 | $7,782 | $6,586 | $4,552 |
| J-K | $4,287 | $7,873 | $7,457 | $7,017 | $6,959 | $6,332 | $5,853 | $5,273 | $4,387 |
| L-M | $3,636 | $5,013 | $4,238 | $4,282 | $4,753 | $4,391 | $4,676 | $3,791 | $2,947 |
| N+ | - | $4,588 | $4,321 | $2,468 | $4,702 | $2,999 | $3,351 | $6,802 | $5,319 |
By Carat Weight
0.20-0.29
155,353 listings
Avg: ￥390,612 JPY/ct
0.30-0.49
931,759 listings
Avg: ￥252,220 JPY/ct
0.50-0.74
970,364 listings
Avg: ￥273,223 JPY/ct
0.75-0.99
276,760 listings
Avg: ￥359,151 JPY/ct
1.00-1.24
451,455 listings
Avg: ￥503,761 JPY/ct
1.25-1.49
64,225 listings
Avg: ￥620,075 JPY/ct
1.50-1.99
231,665 listings
Avg: ￥775,768 JPY/ct
2.00-2.49
113,654 listings
Avg: ￥1,120,970 JPY/ct
2.50-2.99
40,967 listings
Avg: ￥1,410,937 JPY/ct
3.00-3.99
47,909 listings
Avg: ￥1,778,878 JPY/ct
4.00-4.99
15,070 listings
Avg: ￥2,326,744 JPY/ct
5.00-9.99
14,570 listings
Avg: ￥2,982,121 JPY/ct
10.00+
1,013 listings
Avg: ￥4,981,032 JPY/ct
unknown
70,406 listings
Avg: ￥719,797 JPY/ct
Price by Color & Clarity
| Color | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 13,366 | ￥3,114,946 JPY |
| D-E | I | 10,587 | ￥804,601 JPY |
| D-E | IF | 100,906 | ￥2,936,092 JPY |
| D-E | SI1 | 132,933 | ￥1,345,797 JPY |
| D-E | SI2 | 80,651 | ￥1,049,789 JPY |
| D-E | VS1 | 167,957 | ￥494,372 JPY |
| D-E | VS2 | 135,043 | ￥2,215,440 JPY |
| D-E | VVS1 | 211,221 | ￥3,419,189 JPY |
| D-E | VVS2 | 169,214 | ￥1,386,689 JPY |
| D-E | other | 24 | ￥284,406 JPY |
| F-G | FL | 1,142 | ￥2,456,579 JPY |
| F-G | I | 15,727 | ￥695,209 JPY |
| F-G | IF | 100,487 | ￥2,530,793 JPY |
| F-G | SI1 | 147,912 | ￥1,508,138 JPY |
| F-G | SI2 | 101,217 | ￥1,145,838 JPY |
| F-G | VS1 | 185,512 | ￥2,091,641 JPY |
| F-G | VS2 | 165,772 | ￥1,883,212 JPY |
| F-G | VVS1 | 213,719 | ￥2,349,435 JPY |
| F-G | VVS2 | 170,950 | ￥1,851,820 JPY |
| F-G | other | 46 | ￥426,607 JPY |
| H-I | FL | 386 | ￥932,873 JPY |
| H-I | I | 12,300 | ￥679,368 JPY |
| H-I | IF | 45,980 | ￥1,664,036 JPY |
| H-I | SI1 | 125,749 | ￥1,161,495 JPY |
| H-I | SI2 | 84,645 | ￥983,042 JPY |
| H-I | VS1 | 137,230 | ￥1,468,399 JPY |
| H-I | VS2 | 141,421 | ￥1,355,622 JPY |
| H-I | VVS1 | 115,862 | ￥1,667,281 JPY |
| H-I | VVS2 | 115,497 | ￥1,561,997 JPY |
| H-I | other | 14 | ￥387,015 JPY |
| J-K | FL | 78 | ￥639,811 JPY |
| J-K | I | 7,066 | ￥654,713 JPY |
| J-K | IF | 21,568 | ￥1,175,077 JPY |
| J-K | SI1 | 62,054 | ￥873,544 JPY |
| J-K | SI2 | 42,650 | ￥786,993 JPY |
| J-K | VS1 | 63,231 | ￥1,038,662 JPY |
| J-K | VS2 | 57,430 | ￥945,116 JPY |
| J-K | VVS1 | 61,861 | ￥1,112,994 JPY |
| J-K | VVS2 | 58,277 | ￥1,047,254 JPY |
| L-M | FL | 23 | ￥542,637 JPY |
| L-M | I | 2,161 | ￥439,850 JPY |
| L-M | IF | 4,370 | ￥748,258 JPY |
| L-M | SI1 | 15,336 | ￥697,984 JPY |
| L-M | SI2 | 10,751 | ￥565,829 JPY |
| L-M | VS1 | 15,215 | ￥709,361 JPY |
| L-M | VS2 | 14,211 | ￥655,312 JPY |
| L-M | VVS1 | 14,432 | ￥632,593 JPY |
| L-M | VVS2 | 13,872 | ￥639,153 JPY |
| N+ | I | 1,566 | ￥793,945 JPY |
| N+ | IF | 221 | ￥684,767 JPY |
| N+ | SI1 | 2,187 | ￥500,169 JPY |
| N+ | SI2 | 1,730 | ￥1,015,155 JPY |
| N+ | VS1 | 2,296 | ￥701,814 JPY |
| N+ | VS2 | 2,129 | ￥447,566 JPY |
| N+ | VVS1 | 1,159 | ￥644,869 JPY |
| N+ | VVS2 | 5,714 | ￥368,385 JPY |
| N+ | other | 112 | ￥189,317 JPY |