Natural Radiant Diamonds
As of April 2026, there are 186,117 natural radiant diamonds available. Prices range from ￥65,021 JPY/ct to ￥26,606,070 JPY/ct, with an average of ￥1,093,740 JPY/ct.
Last updated: April 2026
By Carat Weight
Price Distribution
LowHigh
| Color | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $18K | $12K | $7,573 | $3,282 | $7,687 | $10K | $9,266 | $7,412 | $5,767 |
| F-G | $3,077 | $6,569 | $10K | $5,248 | $11K | $9,329 | $8,442 | $6,642 | $4,259 |
| H-I | $3,179 | $8,526 | $8,556 | $8,382 | $7,789 | $7,078 | $8,922 | $6,202 | $6,029 |
| J-K | $1,967 | $3,813 | $5,468 | $5,135 | $6,706 | $6,848 | $5,939 | $4,550 | $3,215 |
| L-M | - | $2,182 | $1,918 | $2,605 | $3,520 | $3,036 | $2,923 | $3,520 | $1,734 |
| N+ | - | $8,100 | $7,354 | $6,461 | $8,474 | $13K | $8,170 | $8,191 | $9,388 |
By Carat Weight
0.20-0.29
907 listings
Avg: ￥863,586 JPY/ct
0.30-0.49
10,594 listings
Avg: ￥310,728 JPY/ct
0.50-0.74
44,299 listings
Avg: ￥328,592 JPY/ct
0.75-0.99
17,681 listings
Avg: ￥368,896 JPY/ct
1.00-1.24
48,491 listings
Avg: ￥432,181 JPY/ct
1.25-1.49
4,596 listings
Avg: ￥571,872 JPY/ct
1.50-1.99
25,179 listings
Avg: ￥652,605 JPY/ct
2.00-2.49
16,796 listings
Avg: ￥893,789 JPY/ct
2.50-2.99
3,593 listings
Avg: ￥1,264,426 JPY/ct
3.00-3.99
8,623 listings
Avg: ￥1,768,208 JPY/ct
4.00-4.99
2,029 listings
Avg: ￥2,210,882 JPY/ct
5.00-9.99
2,941 listings
Avg: ￥2,654,120 JPY/ct
10.00+
298 listings
Avg: ￥3,355,048 JPY/ct
unknown
90 listings
Avg: ￥7,100,504 JPY/ct
Price by Color & Clarity
| Color | Clarity | Listings | Avg Price/ct |
|---|---|---|---|
| D-E | FL | 173 | ￥2,748,136 JPY |
| D-E | I | 309 | ￥860,792 JPY |
| D-E | IF | 2,116 | ￥1,741,659 JPY |
| D-E | SI1 | 6,803 | ￥1,382,940 JPY |
| D-E | SI2 | 3,568 | ￥1,106,233 JPY |
| D-E | VS1 | 9,353 | ￥1,147,274 JPY |
| D-E | VS2 | 8,343 | ￥1,542,488 JPY |
| D-E | VVS1 | 7,382 | ￥1,130,265 JPY |
| D-E | VVS2 | 7,932 | ￥489,887 JPY |
| F-G | FL | 83 | ￥459,314 JPY |
| F-G | I | 411 | ￥635,613 JPY |
| F-G | IF | 2,406 | ￥980,435 JPY |
| F-G | SI1 | 8,029 | ￥1,260,034 JPY |
| F-G | SI2 | 4,633 | ￥991,304 JPY |
| F-G | VS1 | 10,164 | ￥1,708,821 JPY |
| F-G | VS2 | 10,400 | ￥1,392,437 JPY |
| F-G | VVS1 | 7,614 | ￥1,536,371 JPY |
| F-G | VVS2 | 7,827 | ￥783,305 JPY |
| H-I | FL | 37 | ￥474,407 JPY |
| H-I | I | 435 | ￥899,912 JPY |
| H-I | IF | 2,000 | ￥1,272,513 JPY |
| H-I | SI1 | 7,928 | ￥1,331,626 JPY |
| H-I | SI2 | 4,490 | ￥925,735 JPY |
| H-I | VS1 | 8,412 | ￥1,162,516 JPY |
| H-I | VS2 | 8,619 | ￥1,056,361 JPY |
| H-I | VVS1 | 7,023 | ￥1,276,978 JPY |
| H-I | VVS2 | 6,778 | ￥1,251,106 JPY |
| J-K | FL | 10 | ￥293,509 JPY |
| J-K | I | 250 | ￥479,911 JPY |
| J-K | IF | 633 | ￥569,153 JPY |
| J-K | SI1 | 4,002 | ￥886,378 JPY |
| J-K | SI2 | 2,660 | ￥679,062 JPY |
| J-K | VS1 | 3,853 | ￥1,000,952 JPY |
| J-K | VS2 | 3,819 | ￥1,022,020 JPY |
| J-K | VVS1 | 2,614 | ￥816,177 JPY |
| J-K | VVS2 | 2,743 | ￥766,355 JPY |
| L-M | I | 28 | ￥258,759 JPY |
| L-M | IF | 46 | ￥325,660 JPY |
| L-M | SI1 | 626 | ￥436,310 JPY |
| L-M | SI2 | 553 | ￥525,361 JPY |
| L-M | VS1 | 463 | ￥525,401 JPY |
| L-M | VS2 | 551 | ￥453,196 JPY |
| L-M | VVS1 | 217 | ￥286,221 JPY |
| L-M | VVS2 | 293 | ￥388,822 JPY |
| N+ | I | 552 | ￥1,401,260 JPY |
| N+ | IF | 1,008 | ￥1,209,005 JPY |
| N+ | SI1 | 2,206 | ￥1,219,399 JPY |
| N+ | SI2 | 1,360 | ￥1,222,544 JPY |
| N+ | VS1 | 4,807 | ￥1,264,850 JPY |
| N+ | VS2 | 4,011 | ￥1,908,250 JPY |
| N+ | VVS1 | 2,335 | ￥1,097,660 JPY |
| N+ | VVS2 | 3,178 | ￥964,305 JPY |
| N+ | other | 31 | ￥7,742,123 JPY |