How much does a 5.00ct+ H SI2 lab grown round diamond cost?

As of October 2026, 5.00ct+ H SI2 lab grown round diamonds typically cost ₹6,81,017 INR to ₹1,29,27,443 INR, with a median price of ₹76,06,682 INR. There are currently 3 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI2 round diamond?

About 78% of these diamonds are available at multiple retailers, with an average price spread of 19%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ H SI2 Lab Grown Round

Quick answer

As of October 2026, there are 3 lab grown round diamonds with H colour and SI2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run ₹6,81,017 INR to ₹1,29,27,443 INR, with a median of ₹76,06,682 INR. At least 7 retailers stock this exact specification, and 78% of the stones appear at more than one of them, with an average price spread of 19%. Half of all listings fall between ₹9,07,424 INR and ₹10,95,528 INR per carat. The same specification in natural form lists at a median of about ₹13,30,368 INR per carat. Over the last 30 days the median price moved -12.7% and the number of listings moved -27.7%.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

₹3,78,413 INR

Highest Price

₹1,71,60,314 INR

Average Price

₹70,71,714 INR

Market Intelligence

Retailers Selling

Cross Retailer %

77.8%

Price Spread

18.8%

30-Day Price Trend

-12.7%

30-Day Supply Change

-27.7%

Volatility (30d)

0.10

Price Range

Price per carat distribution across retailers

$10,549/ct

10th Percentile

$1,584

Median

$10,549

90th Percentile

$13,912

Score Distribution

6 diamonds scored across 1 quality tiers

Average

6 (100.0%)

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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