天然 Cushion Diamond Prices in Japan
最終更新：September 2026
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 | $25K | $15K | $11K | $10K | $13K | $12K | $10K | $5,723 | $5,027 |
| F-G | $4,065 | $9,327 | $9,375 | $12K | $12K | $12K | $6,781 | $5,411 | $6,072 |
| H-I | $4,096 | $8,194 | $6,620 | $6,715 | $6,508 | $7,821 | $5,744 | $6,328 | $5,563 |
| J-K | $2,740 | $5,595 | $4,754 | $5,013 | $4,781 | $6,655 | $5,597 | $5,070 | $5,115 |
| L-M | - | $2,454 | $2,170 | $3,046 | $3,011 | $2,964 | $3,838 | $3,511 | $1,752 |
| N+ | $7,294 | $9,211 | $7,105 | $8,442 | $10K | $8,943 | $8,422 | $8,223 | $7,228 |
カラット重量別
0.20-0.29
5,492件の掲載
平均：￥849,176 JPY/ct
0.30-0.49
38,017件の掲載
平均：￥368,004 JPY/ct
0.50-0.74
98,219件の掲載
平均：￥282,467 JPY/ct
0.75-0.99
60,786件の掲載
平均：￥325,721 JPY/ct
1.00-1.24
143,180件の掲載
平均：￥430,999 JPY/ct
1.25-1.49
15,621件の掲載
平均：￥549,353 JPY/ct
1.50-1.99
104,750件の掲載
平均：￥619,244 JPY/ct
2.00-2.49
60,980件の掲載
平均：￥933,882 JPY/ct
2.50-2.99
15,304件の掲載
平均：￥1,332,489 JPY/ct
3.00-3.99
21,103件の掲載
平均：￥1,602,352 JPY/ct
4.00-4.99
4,995件の掲載
平均：￥2,241,576 JPY/ct
5.00-9.99
5,385件の掲載
平均：￥2,688,360 JPY/ct
10.00+
564件の掲載
平均：￥5,117,968 JPY/ct
unknown
939件の掲載
平均：￥1,501,446 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 | 348 | ￥3,775,107 JPY |
| D-E | I | 2,135 | ￥750,253 JPY |
| D-E | IF | 3,717 | ￥2,297,455 JPY |
| D-E | SI1 | 21,642 | ￥1,509,234 JPY |
| D-E | SI2 | 10,168 | ￥854,231 JPY |
| D-E | VS1 | 29,936 | ￥2,006,660 JPY |
| D-E | VS2 | 26,482 | ￥1,857,521 JPY |
| D-E | VVS1 | 16,913 | ￥1,696,699 JPY |
| D-E | VVS2 | 20,383 | ￥1,502,506 JPY |
| F-G | FL | 110 | ￥606,735 JPY |
| F-G | I | 2,673 | ￥906,261 JPY |
| F-G | IF | 4,594 | ￥1,392,028 JPY |
| F-G | SI1 | 24,910 | ￥1,012,161 JPY |
| F-G | SI2 | 13,922 | ￥807,638 JPY |
| F-G | VS1 | 37,725 | ￥1,746,324 JPY |
| F-G | VS2 | 37,461 | ￥1,731,501 JPY |
| F-G | VVS1 | 20,371 | ￥1,399,187 JPY |
| F-G | VVS2 | 23,436 | ￥1,767,297 JPY |
| H-I | FL | 124 | ￥611,299 JPY |
| H-I | I | 2,833 | ￥830,313 JPY |
| H-I | IF | 3,743 | ￥1,222,965 JPY |
| H-I | SI1 | 26,186 | ￥857,241 JPY |
| H-I | SI2 | 15,404 | ￥944,541 JPY |
| H-I | VS1 | 33,972 | ￥971,292 JPY |
| H-I | VS2 | 32,805 | ￥1,167,344 JPY |
| H-I | VVS1 | 17,368 | ￥988,031 JPY |
| H-I | VVS2 | 22,279 | ￥1,002,313 JPY |
| J-K | FL | 34 | ￥409,011 JPY |
| J-K | I | 1,341 | ￥763,494 JPY |
| J-K | IF | 1,336 | ￥835,103 JPY |
| J-K | SI1 | 13,885 | ￥835,385 JPY |
| J-K | SI2 | 8,170 | ￥756,705 JPY |
| J-K | VS1 | 13,982 | ￥713,561 JPY |
| J-K | VS2 | 13,948 | ￥993,240 JPY |
| J-K | VVS1 | 6,927 | ￥709,485 JPY |
| J-K | VVS2 | 8,657 | ￥748,237 JPY |
| L-M | I | 106 | ￥261,562 JPY |
| L-M | IF | 180 | ￥366,251 JPY |
| L-M | SI1 | 1,646 | ￥572,883 JPY |
| L-M | SI2 | 978 | ￥523,973 JPY |
| L-M | VS1 | 1,416 | ￥449,444 JPY |
| L-M | VS2 | 1,684 | ￥442,326 JPY |
| L-M | VVS1 | 704 | ￥323,936 JPY |
| L-M | VVS2 | 1,110 | ￥454,691 JPY |
| N+ | FL | 159 | ￥1,088,716 JPY |
| N+ | I | 2,173 | ￥1,078,788 JPY |
| N+ | IF | 1,587 | ￥1,374,735 JPY |
| N+ | SI1 | 7,789 | ￥1,257,057 JPY |
| N+ | SI2 | 5,420 | ￥1,227,298 JPY |
| N+ | VS1 | 9,763 | ￥1,528,966 JPY |
| N+ | VS2 | 10,054 | ￥1,334,733 JPY |
| N+ | VVS1 | 3,866 | ￥1,060,411 JPY |
| N+ | VVS2 | 5,854 | ￥1,259,938 JPY |
| N+ | other | 926 | ￥1,782,092 JPY |