How much does a 5.00ct+ J SI1 natural round diamond cost?

As of October 2026, 5.00ct+ J SI1 natural round diamonds typically cost ₹52,43,044 INR to ₹1,29,27,822 INR, with a median price of ₹76,66,026 INR. There are currently 109 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI1 round diamond?

About 25% of these diamonds are available at multiple retailers, with an average price spread of 13%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ J SI1 Natural Round

Quick answer

As of October 2026, there are 109 natural round diamonds with J colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run ₹52,43,044 INR to ₹1,29,27,822 INR, with a median of ₹76,66,026 INR. At least 12 retailers stock this exact specification, and 25% of the stones appear at more than one of them, with an average price spread of 13%. Half of all listings fall between ₹20,12,859 INR and ₹23,02,148 INR per carat. Over the last 30 days the median price moved +0.4% and the number of listings moved +14.1%.

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 natural stones in the index: 2,248 USD per carat, +7.6% 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

109

Lowest Price

₹29,55,604 INR

Highest Price

₹7,99,13,688 INR

Average Price

₹92,69,658 INR

Market Intelligence

Retailers Selling

Cross Retailer %

25.0%

Price Spread

13.1%

30-Day Price Trend

+0.4%

30-Day Supply Change

+14.1%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$23,253/ct

10th Percentile

$19,423

Median

$23,253

90th Percentile

$29,315

Score Distribution

296 diamonds scored across 4 quality tiers

Excellent

24 (8.1%)

Very Good

65 (22.0%)

Good

64 (21.6%)

Average

143 (48.3%)

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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