2.00 - 2.99ct I SI1 Natural Marquise

As of April 2026, there are 1,173 natural marquise diamonds with I color and SI1 clarity in the 2.00 - 2.99ct range available across retailers worldwide. Prices range from £126 GBP to £112,094 GBP, with an average of £3,625 GBP.

Last updated: April 2026

Available
1,173
Lowest Price
£126 GBP
Highest Price
£112,094 GBP
Average Price
£3,625 GBP

Market Intelligence

Retailers Selling
44
Cross Retailer %
N/A
Price Spread
37.1%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A

Price Range

Price per carat distribution across retailers

$9,660/ct
10th Percentile
$5,936
Median
$9,660
90th Percentile
$12,307

Score Distribution

1.2K diamonds scored across 4 quality tiers

Excellent
221 (18.8%)
Very Good
299 (25.5%)
Good
421 (35.9%)
Average
232 (19.8%)

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Search 1,173 I SI1 marquise diamonds and compare prices.

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Consider Instead

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

J SI1J colour is visually identical to I to the naked eye
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I SI2SI2 inclusions are not visible without magnification
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Lab-Grown I SI1Same 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