How much does a 3.00 to 4.99ct J SI1 natural cushion diamond cost?

As of November 2026, 3.00 to 4.99ct J SI1 natural cushion diamonds typically cost ₹15,14,358 INR to ₹65,67,748 INR, with a median price of ₹26,09,378 INR. There are currently 111 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 43%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct J SI1 Natural Cushion

Quick answer

As of November 2026, there are 111 natural cushion diamonds with J colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run ₹15,14,358 INR to ₹65,67,748 INR, with a median of ₹26,09,378 INR. At least 50 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 43%. Half of all listings fall between ₹5,26,604 INR and ₹8,01,014 INR per carat. The same specification in lab grown form lists at a median of about ₹1,74,790 INR per carat. Over the last 30 days the median price moved -0.1% and the number of listings moved +14.2%.

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. Cushion natural stones in the index: 2,881 USD per carat, -2.5% 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

111

Lowest Price

₹8,37,113 INR

Highest Price

₹1,06,92,604 INR

Average Price

₹33,64,922 INR

Market Intelligence

Retailers Selling

Cross Retailer %

38.3%

Price Spread

42.8%

30-Day Price Trend

-0.1%

30-Day Supply Change

+14.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$6,760/ct

10th Percentile

$4,408

Median

$6,760

90th Percentile

$9,811

Score Distribution

219 diamonds scored across 4 quality tiers

Excellent

24 (11.0%)

Very Good

52 (23.7%)

Good

54 (24.7%)

Average

89 (40.6%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

Lab-Grown J 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