1.50 - 1.99ct I SI2 Natural Round

As of April 2026, there are 17,099 natural round diamonds with I color and SI2 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from ¥8,955 JPY to ¥123,599,761 JPY, with an average of ¥985,856 JPY.

Last updated: April 2026

Available
17,099
Lowest Price
¥8,955 JPY
Highest Price
¥123,599,761 JPY
Average Price
¥985,856 JPY

Market Intelligence

Retailers Selling
55
Cross Retailer %
N/A
Price Spread
51.0%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A

Price Range

Price per carat distribution across retailers

$3,833/ct
10th Percentile
$2,312
Median
$3,833
90th Percentile
$6,142

Score Distribution

17.1K diamonds scored across 4 quality tiers

Excellent
3,638 (21.3%)
Very Good
6,772 (39.7%)
Good
4,018 (23.5%)
Average
2,648 (15.5%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J SI2J colour is visually identical to I to the naked eye
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I I1I1 inclusions are not visible without magnification
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Lab-Grown I SI2Same specifications, lab-grown origin
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Related Specifications

D IFD VVS1D VVS2D VS1D VS2D SI1E IFE VVS1E VVS2E VS1E VS2E SI1F IFF VVS1F VVS2F VS1F VS2F SI1G IFG VVS1G VVS2G VS1G VS2G SI1H IFH VVS1H VVS2H VS1H VS2H SI1I IFI VVS1I VVS2I VS1I VS2I SI1