Natural Heart Diamonds
As of April 2026, there are 369,177 natural heart diamonds available. Prices range from ￥45,594 JPY/ct to ￥26,761,194 JPY/ct, with an average of ￥978,145 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 | $15K | $10K | $9,901 | $10K | $12K | $7,440 | $5,387 | $3,941 |
| F-G | $5,607 | $6,388 | $7,534 | $9,042 | $8,520 | $8,209 | $6,349 | $4,448 | $2,763 |
| H-I | $1,333 | $6,172 | $5,957 | $6,419 | $8,402 | $7,966 | $5,334 | $4,733 | $4,511 |
| J-K | - | $5,232 | $4,035 | $4,926 | $4,689 | $4,576 | $4,174 | $3,860 | $3,848 |
| L-M | - | $1,517 | $2,516 | $2,260 | $3,252 | $2,838 | $2,369 | $2,740 | $1,225 |
| N+ | - | $4,303 | $4,211 | $3,301 | $5,934 | $6,513 | $8,981 | $6,855 | $4,796 |
By Carat Weight
0.20-0.29
3,297 listings
Avg: ￥726,705 JPY/ct
0.30-0.49
29,505 listings
Avg: ￥314,860 JPY/ct
0.50-0.74
123,243 listings
Avg: ￥277,981 JPY/ct
0.75-0.99
49,030 listings
Avg: ￥314,741 JPY/ct
1.00-1.24
91,264 listings
Avg: ￥430,813 JPY/ct
1.25-1.49
4,977 listings
Avg: ￥529,936 JPY/ct
1.50-1.99
37,244 listings
Avg: ￥632,030 JPY/ct
2.00-2.49
16,460 listings
Avg: ￥987,630 JPY/ct
2.50-2.99
2,634 listings
Avg: ￥1,203,380 JPY/ct
3.00-3.99
7,117 listings
Avg: ￥1,545,971 JPY/ct
4.00-4.99
1,497 listings
Avg: ￥2,278,531 JPY/ct
5.00-9.99
2,307 listings
Avg: ￥2,894,795 JPY/ct
10.00+
73 listings
Avg: ￥3,575,159 JPY/ct
unknown
529 listings
Avg: ￥1,414,894 JPY/ct
Price by Color & Clarity
| Color | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 315 | ￥3,082,322 JPY |
| D-E | I | 347 | ￥588,170 JPY |
| D-E | IF | 4,311 | ￥2,266,135 JPY |
| D-E | SI1 | 16,408 | ￥1,110,403 JPY |
| D-E | SI2 | 7,104 | ￥803,966 JPY |
| D-E | VS1 | 23,801 | ￥1,504,657 JPY |
| D-E | VS2 | 23,234 | ￥1,830,443 JPY |
| D-E | VVS1 | 12,041 | ￥1,517,377 JPY |
| D-E | VVS2 | 17,168 | ￥1,477,796 JPY |
| F-G | FL | 46 | ￥836,877 JPY |
| F-G | I | 517 | ￥412,325 JPY |
| F-G | IF | 5,573 | ￥953,389 JPY |
| F-G | SI1 | 18,207 | ￥947,549 JPY |
| F-G | SI2 | 10,797 | ￥663,815 JPY |
| F-G | VS1 | 26,808 | ￥1,271,644 JPY |
| F-G | VS2 | 26,787 | ￥1,225,286 JPY |
| F-G | VVS1 | 13,600 | ￥1,124,457 JPY |
| F-G | VVS2 | 17,304 | ￥1,349,625 JPY |
| H-I | FL | 10 | ￥198,931 JPY |
| H-I | I | 559 | ￥673,241 JPY |
| H-I | IF | 4,596 | ￥921,190 JPY |
| H-I | SI1 | 14,971 | ￥796,127 JPY |
| H-I | SI2 | 10,470 | ￥706,373 JPY |
| H-I | VS1 | 20,102 | ￥1,254,064 JPY |
| H-I | VS2 | 20,902 | ￥1,189,016 JPY |
| H-I | VVS1 | 12,005 | ￥889,036 JPY |
| H-I | VVS2 | 13,764 | ￥958,095 JPY |
| J-K | I | 253 | ￥574,339 JPY |
| J-K | IF | 1,691 | ￥780,901 JPY |
| J-K | SI1 | 5,637 | ￥623,030 JPY |
| J-K | SI2 | 4,303 | ￥576,142 JPY |
| J-K | VS1 | 6,411 | ￥699,812 JPY |
| J-K | VS2 | 6,976 | ￥682,925 JPY |
| J-K | VVS1 | 5,428 | ￥602,165 JPY |
| J-K | VVS2 | 5,722 | ￥735,157 JPY |
| L-M | I | 42 | ￥182,820 JPY |
| L-M | IF | 189 | ￥226,396 JPY |
| L-M | SI1 | 650 | ￥353,565 JPY |
| L-M | SI2 | 612 | ￥408,881 JPY |
| L-M | VS1 | 592 | ￥485,367 JPY |
| L-M | VS2 | 632 | ￥423,656 JPY |
| L-M | VVS1 | 548 | ￥375,449 JPY |
| L-M | VVS2 | 496 | ￥337,341 JPY |
| N+ | I | 482 | ￥715,789 JPY |
| N+ | IF | 217 | ￥642,264 JPY |
| N+ | SI1 | 1,391 | ￥1,340,442 JPY |
| N+ | SI2 | 972 | ￥1,023,119 JPY |
| N+ | VS1 | 1,243 | ￥885,681 JPY |
| N+ | VS2 | 1,779 | ￥972,023 JPY |
| N+ | VVS1 | 391 | ￥628,569 JPY |
| N+ | VVS2 | 762 | ￥492,630 JPY |
| N+ | other | 11 | ￥14,597,015 JPY |