How much does a 3.00 to 4.99ct H SI1 lab grown heart diamond cost?

As of October 2026, 3.00 to 4.99ct H SI1 lab grown heart diamonds typically cost ₹79,167 INR to ₹7,03,411 INR, with a median price of ₹2,42,897 INR. There are currently 8 diamonds matching this specification available across retailers.

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

About 44% of these diamonds are available at multiple retailers, with an average price spread of 112%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct H SI1 Lab Grown Heart

Quick answer

As of October 2026, there are 8 lab grown heart diamonds with H colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹79,167 INR to ₹7,03,411 INR, with a median of ₹2,42,897 INR. At least 26 retailers stock this exact specification, and 44% of the stones appear at more than one of them, with an average price spread of 112%. Half of all listings fall between ₹37,433 INR and ₹1,34,222 INR per carat. The same specification in natural form lists at a median of about ₹6,94,777 INR per carat. Over the last 30 days the median price moved -7.8% and the number of listings moved +3.2%.

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. Heart lab grown stones in the index: 421 USD per carat, -1.8% 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: October 2026

Available

Lowest Price

₹50,134 INR

Highest Price

₹17,97,101 INR

Average Price

₹2,81,509 INR

Market Intelligence

Retailers Selling

Cross Retailer %

44.4%

Price Spread

112.3%

30-Day Price Trend

-7.8%

30-Day Supply Change

+3.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$908/ct

10th Percentile

$291

Median

$908

90th Percentile

$2,498

Score Distribution

17 diamonds scored across 4 quality tiers

Excellent

4 (23.5%)

Very Good

5 (29.4%)

Good

3 (17.6%)

Average

5 (29.4%)

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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