3.00 - 4.99ct I SI2 Natural Marquise

As of April 2026, there are 1,204 natural marquise diamonds with I color and SI2 clarity in the 3.00 - 4.99ct range available across retailers worldwide. Prices range from $244 SGD to $453,220 SGD, with an average of $8,040 SGD.

Last updated: April 2026

Available
1,204
Lowest Price
$244 SGD
Highest Price
$453,220 SGD
Average Price
$8,040 SGD

Market Intelligence

Retailers Selling
36
Cross Retailer %
N/A
Price Spread
33.5%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A

Price Range

Price per carat distribution across retailers

$11,863/ct
10th Percentile
$6,759
Median
$11,863
90th Percentile
$15,487

Score Distribution

1.2K diamonds scored across 4 quality tiers

Excellent
218 (18.1%)
Very Good
437 (36.3%)
Good
427 (35.5%)
Average
122 (10.1%)

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Search 1,204 I SI2 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 SI2J colour is visually identical to I to the naked eye
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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