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

As of November 2026, 3.00 to 4.99ct H SI1 natural marquise diamonds typically cost ₹23,21,708 INR to ₹70,85,250 INR, with a median price of ₹44,44,303 INR. There are currently 22 diamonds matching this specification available across retailers.

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

About 40% of these diamonds are available at multiple retailers, with an average price spread of 39%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct H SI1 Natural Marquise

Quick answer

As of November 2026, there are 22 natural marquise diamonds with H colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹23,21,708 INR to ₹70,85,250 INR, with a median of ₹44,44,303 INR. At least 52 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 39%. Half of all listings fall between ₹10,12,205 INR and ₹15,10,170 INR per carat. The same specification in lab grown form lists at a median of about ₹29,342 INR per carat. Over the last 30 days the median price moved -3.6% and the number of listings moved +31.7%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Marquise natural stones in the index: 2,177 USD per carat, -4.2% 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

₹20,28,891 INR

Highest Price

₹1,28,68,391 INR

Average Price

₹49,00,260 INR

Market Intelligence

Retailers Selling

Cross Retailer %

39.8%

Price Spread

38.5%

30-Day Price Trend

-3.6%

30-Day Supply Change

+31.7%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$13,619/ct

10th Percentile

$9,098

Median

$13,619

90th Percentile

$17,753

Score Distribution

50 diamonds scored across 4 quality tiers

Excellent

2 (4.0%)

Very Good

14 (28.0%)

Good

13 (26.0%)

Average

21 (42.0%)

Find Your Diamond

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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