How much does a 1.50 to 1.99ct D SI2 natural cushion diamond cost?

As of October 2026, 1.50 to 1.99ct D SI2 natural cushion diamonds typically cost ₹3,58,435 INR to ₹13,20,908 INR, with a median price of ₹6,50,217 INR. There are currently 125 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI2 cushion diamond?

About 30% of these diamonds are available at multiple retailers, with an average price spread of 54%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D SI2 Natural Cushion

Quick answer

As of October 2026, there are 125 natural cushion diamonds with D colour and SI2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run ₹3,58,435 INR to ₹13,20,908 INR, with a median of ₹6,50,217 INR. At least 53 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 54%. Half of all listings fall between ₹2,91,801 INR and ₹4,93,254 INR per carat. The same specification in lab grown form lists at a median of about ₹44,524 INR per carat. Over the last 30 days the median price moved -2.5% and the number of listings moved +4.8%.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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

125

Lowest Price

₹2,22,189 INR

Highest Price

₹21,59,920 INR

Average Price

₹7,46,492 INR

Market Intelligence

Retailers Selling

Cross Retailer %

30.4%

Price Spread

53.9%

30-Day Price Trend

-2.5%

30-Day Supply Change

+4.8%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$3,926/ct

10th Percentile

$2,582

Median

$3,926

90th Percentile

$6,454

Score Distribution

372 diamonds scored across 4 quality tiers

Excellent

67 (18.0%)

Very Good

77 (20.7%)

Good

77 (20.7%)

Average

151 (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 D SI2Same 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