How much does a 3.00 to 4.99ct D SI1 natural marquise diamond cost?

As of November 2026, 3.00 to 4.99ct D SI1 natural marquise diamonds typically cost ₹40,18,598 INR to ₹80,83,723 INR, with a median price of ₹53,40,605 INR. There are currently 48 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI1 marquise diamond?

About 40% of these diamonds are available at multiple retailers, with an average price spread of 21%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct D SI1 Natural Marquise

Quick answer

As of November 2026, there are 48 natural marquise diamonds with D colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹40,18,598 INR to ₹80,83,723 INR, with a median of ₹53,40,605 INR. At least 53 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 21%. Half of all listings fall between ₹15,71,404 INR and ₹19,44,393 INR per carat. The same specification in lab grown form lists at a median of about ₹39,061 INR per carat. Over the last 30 days the median price moved -0.5% and the number of listings moved +11.2%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Marquise natural stones in the index: 2,268 USD per carat, +10.8% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: November 2026

Available

Lowest Price

₹35,17,902 INR

Highest Price

₹1,60,67,789 INR

Average Price

₹58,32,995 INR

Market Intelligence

Retailers Selling

Cross Retailer %

40.4%

Price Spread

21.4%

30-Day Price Trend

-0.5%

30-Day Supply Change

+11.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$18,388/ct

10th Percentile

$15,179

Median

$18,388

90th Percentile

$23,311

Score Distribution

106 diamonds scored across 4 quality tiers

Excellent

11 (10.4%)

Very Good

39 (36.8%)

Good

29 (27.4%)

Average

27 (25.5%)

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Consider Instead

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D SI2SI2 inclusions are not visible without magnification

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Lab-Grown D SI1Same specifications, lab-grown origin

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1