Natural Round Diamonds, 1.00 - 1.49ct
As of April 2026, there are 531,009 natural round diamonds between 1.00 - 1.49ct available across retailers. Prices range from ￥16,048 JPY/ct to ￥2,695,119 JPY/ct, with an average of ￥557,813 JPY/ct. Approximately 36% of these diamonds are available at multiple retailers, with an average price spread of 60%.
Last updated: April 2026
Browse 531,009 diamonds in ExplorerPrice Distribution
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| Color | FL | IF | VVS1 | VVS2 | VS1 | VS2 | SI1 | SI2 | I |
|---|---|---|---|---|---|---|---|---|---|
| D-E | $13K | $11K | $9,240 | $7,007 | $6,454 | $5,978 | $4,261 | $3,317 | $2,788 |
| F-G | $8,888 | $7,290 | $6,833 | $6,063 | $5,624 | $4,868 | $3,753 | $2,931 | $2,439 |
| H-I | $4,437 | $4,491 | $4,427 | $4,209 | $4,052 | $3,831 | $3,180 | $2,651 | $2,410 |
| J-K | $3,416 | $3,309 | $3,241 | $2,889 | $2,677 | $2,600 | $2,276 | $2,081 | $2,054 |
| L-M | $2,187 | $2,561 | $2,288 | $2,208 | $2,166 | $1,962 | $1,673 | $1,549 | $1,462 |
| N+ | - | $2,532 | $2,074 | $1,547 | $1,625 | $1,995 | $1,927 | $1,765 | $1,158 |
Price by Color & Clarity
Average price per carat for 1.00 - 1.49ct natural round diamonds by color and clarity grade.
| Color | Clarity | Listings | Avg Price/ct | Spread |
|---|---|---|---|---|
| D-E | FL | 2,614 | ￥1,874,744 JPY | 24% |
| D-E | I | 2,437 | ￥416,113 JPY | 60% |
| D-E | IF | 7,183 | ￥1,658,519 JPY | 40% |
| D-E | SI1 | 22,992 | ￥635,983 JPY | 40% |
| D-E | SI2 | 15,480 | ￥495,103 JPY | 44% |
| D-E | VS1 | 22,593 | ￥963,332 JPY | 46% |
| D-E | VS2 | 19,289 | ￥892,263 JPY | 44% |
| D-E | VVS1 | 19,025 | ￥1,379,160 JPY | 36% |
| D-E | VVS2 | 22,113 | ￥1,045,802 JPY | 48% |
| D-E | other | 13 | ￥381,045 JPY | 76% |
| F-G | FL | 181 | ￥1,326,501 JPY | 40% |
| F-G | I | 4,645 | ￥364,026 JPY | 59% |
| F-G | IF | 6,878 | ￥1,088,098 JPY | 41% |
| F-G | SI1 | 28,330 | ￥560,113 JPY | 38% |
| F-G | SI2 | 22,739 | ￥437,406 JPY | 46% |
| F-G | VS1 | 27,856 | ￥839,393 JPY | 45% |
| F-G | VS2 | 25,156 | ￥726,592 JPY | 38% |
| F-G | VVS1 | 22,617 | ￥1,019,834 JPY | 41% |
| F-G | VVS2 | 22,238 | ￥904,919 JPY | 39% |
| F-G | other | 21 | ￥296,866 JPY | 52% |
| H-I | FL | 126 | ￥662,269 JPY | 25% |
| H-I | I | 3,378 | ￥359,671 JPY | 53% |
| H-I | IF | 5,088 | ￥670,239 JPY | 44% |
| H-I | SI1 | 29,214 | ￥474,596 JPY | 37% |
| H-I | SI2 | 20,090 | ￥395,611 JPY | 45% |
| H-I | VS1 | 26,452 | ￥604,783 JPY | 43% |
| H-I | VS2 | 32,782 | ￥571,756 JPY | 42% |
| H-I | VVS1 | 15,727 | ￥660,807 JPY | 43% |
| H-I | VVS2 | 18,276 | ￥628,243 JPY | 41% |
| H-I | other | 14 | ￥387,015 JPY | 86% |
| J-K | FL | 19 | ￥509,821 JPY | 37% |
| J-K | I | 2,146 | ￥306,602 JPY | 57% |
| J-K | IF | 3,233 | ￥493,921 JPY | 48% |
| J-K | SI1 | 11,773 | ￥339,651 JPY | 43% |
| J-K | SI2 | 9,013 | ￥310,601 JPY | 50% |
| J-K | VS1 | 10,856 | ￥399,487 JPY | 44% |
| J-K | VS2 | 11,081 | ￥387,991 JPY | 44% |
| J-K | VVS1 | 7,144 | ￥483,663 JPY | 49% |
| J-K | VVS2 | 8,951 | ￥431,228 JPY | 45% |
| L-M | FL | 15 | ￥326,424 JPY | 29% |
| L-M | I | 665 | ￥218,175 JPY | 57% |
| L-M | IF | 772 | ￥382,207 JPY | 38% |
| L-M | SI1 | 2,981 | ￥249,675 JPY | 46% |
| L-M | SI2 | 2,556 | ￥231,240 JPY | 49% |
| L-M | VS1 | 2,836 | ￥323,210 JPY | 40% |
| L-M | VS2 | 2,647 | ￥292,909 JPY | 42% |
| L-M | VVS1 | 1,799 | ￥341,422 JPY | 41% |
| L-M | VVS2 | 2,001 | ￥329,496 JPY | 43% |
| N+ | I | 545 | ￥172,888 JPY | 114% |
| N+ | IF | 27 | ￥377,891 JPY | 65% |
| N+ | SI1 | 595 | ￥287,584 JPY | 66% |
| N+ | SI2 | 569 | ￥263,467 JPY | 115% |
| N+ | VS1 | 539 | ￥242,588 JPY | 108% |
| N+ | VS2 | 583 | ￥297,713 JPY | 59% |
| N+ | VVS1 | 278 | ￥309,578 JPY | 85% |
| N+ | VVS2 | 1,815 | ￥230,912 JPY | 74% |
| N+ | other | 23 | ￥52,516 JPY | 530% |