天然 Radiant Diamond Prices in Japan
最終更新：2026年11月
カラット重量別
価格分布
LowHigh
| カラー | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $6,767 | $8,419 | $7,999 | $9,754 | $11K | $8,160 | $7,054 | $4,974 | $3,510 |
| F-G | $3,653 | $6,406 | $7,939 | $9,970 | $9,747 | $7,849 | $6,585 | $5,335 | $5,141 |
| H-I | $2,852 | $4,082 | $5,608 | $6,942 | $7,382 | $5,597 | $5,626 | $4,374 | $3,283 |
| J-K | $1,750 | $2,781 | $3,945 | $4,001 | $4,498 | $4,485 | $4,024 | $2,973 | $2,249 |
| L-M | - | $2,080 | $2,109 | $2,221 | $2,633 | $2,302 | $2,072 | $1,687 | $2,455 |
| N+ | $6,357 | $8,106 | $7,705 | $7,587 | $8,314 | $10K | $8,396 | $7,766 | $7,080 |
カラット重量別
0.20-0.29
1,656件の掲載
平均：￥793,310 JPY/ct
0.30-0.49
33,684件の掲載
平均：￥335,000 JPY/ct
0.50-0.74
94,704件の掲載
平均：￥335,896 JPY/ct
0.75-0.99
37,792件の掲載
平均：￥413,652 JPY/ct
1.00-1.24
125,413件の掲載
平均：￥515,299 JPY/ct
1.25-1.49
13,186件の掲載
平均：￥684,621 JPY/ct
1.50-1.99
65,041件の掲載
平均：￥804,262 JPY/ct
2.00-2.49
40,906件の掲載
平均：￥1,097,727 JPY/ct
2.50-2.99
7,997件の掲載
平均：￥1,473,068 JPY/ct
3.00-3.99
16,906件の掲載
平均：￥1,890,183 JPY/ct
4.00-4.99
2,134件の掲載
平均：￥2,286,657 JPY/ct
5.00-9.99
2,534件の掲載
平均：￥2,568,929 JPY/ct
10.00+
476件の掲載
平均：￥3,215,259 JPY/ct
unknown
161件の掲載
平均：￥4,897,696 JPY/ct
カラー・クラリティ別の価格
| カラー | クラリティ | 掲載数 | 平均価格/ct |
|---|---|---|---|
| D-E | FL | 305 | ￥1,071,214 JPY |
| D-E | I | 1,586 | ￥555,666 JPY |
| D-E | IF | 4,564 | ￥1,332,667 JPY |
| D-E | SI1 | 15,455 | ￥1,116,505 JPY |
| D-E | SI2 | 9,301 | ￥787,399 JPY |
| D-E | VS1 | 16,032 | ￥1,814,982 JPY |
| D-E | VS2 | 16,757 | ￥1,291,713 JPY |
| D-E | VVS1 | 12,625 | ￥1,266,114 JPY |
| D-E | VVS2 | 11,593 | ￥1,543,894 JPY |
| F-G | FL | 215 | ￥578,276 JPY |
| F-G | I | 2,425 | ￥813,825 JPY |
| F-G | IF | 4,414 | ￥1,014,047 JPY |
| F-G | SI1 | 18,220 | ￥1,042,330 JPY |
| F-G | SI2 | 12,299 | ￥844,548 JPY |
| F-G | VS1 | 19,832 | ￥1,542,829 JPY |
| F-G | VS2 | 21,063 | ￥1,242,379 JPY |
| F-G | VVS1 | 13,479 | ￥1,256,732 JPY |
| F-G | VVS2 | 13,784 | ￥1,578,130 JPY |
| H-I | FL | 223 | ￥451,400 JPY |
| H-I | I | 2,296 | ￥519,689 JPY |
| H-I | IF | 3,309 | ￥646,127 JPY |
| H-I | SI1 | 18,499 | ￥890,516 JPY |
| H-I | SI2 | 12,767 | ￥692,385 JPY |
| H-I | VS1 | 18,955 | ￥1,168,505 JPY |
| H-I | VS2 | 19,574 | ￥885,878 JPY |
| H-I | VVS1 | 13,261 | ￥887,679 JPY |
| H-I | VVS2 | 14,602 | ￥1,098,830 JPY |
| J-K | FL | 43 | ￥277,045 JPY |
| J-K | I | 820 | ￥355,941 JPY |
| J-K | IF | 1,292 | ￥440,204 JPY |
| J-K | SI1 | 11,207 | ￥636,947 JPY |
| J-K | SI2 | 7,280 | ￥470,576 JPY |
| J-K | VS1 | 8,830 | ￥712,011 JPY |
| J-K | VS2 | 10,740 | ￥709,919 JPY |
| J-K | VVS1 | 5,387 | ￥624,471 JPY |
| J-K | VVS2 | 6,211 | ￥633,346 JPY |
| L-M | I | 24 | ￥388,654 JPY |
| L-M | IF | 125 | ￥329,199 JPY |
| L-M | SI1 | 1,789 | ￥328,051 JPY |
| L-M | SI2 | 969 | ￥267,058 JPY |
| L-M | VS1 | 1,453 | ￥416,699 JPY |
| L-M | VS2 | 1,617 | ￥364,440 JPY |
| L-M | VVS1 | 614 | ￥333,827 JPY |
| L-M | VVS2 | 794 | ￥351,597 JPY |
| N+ | FL | 162 | ￥1,006,287 JPY |
| N+ | I | 2,404 | ￥1,120,692 JPY |
| N+ | IF | 4,339 | ￥1,283,107 JPY |
| N+ | SI1 | 9,131 | ￥1,329,016 JPY |
| N+ | SI2 | 4,762 | ￥1,229,222 JPY |
| N+ | VS1 | 22,232 | ￥1,316,016 JPY |
| N+ | VS2 | 20,241 | ￥1,626,052 JPY |
| N+ | VVS1 | 9,502 | ￥1,219,645 JPY |
| N+ | VVS2 | 12,846 | ￥1,200,997 JPY |
| N+ | other | 341 | ￥2,060,429 JPY |