How much does a 1.00 to 1.49ct L SI1 natural cushion diamond cost?

As of November 6, 2026, 1.00 to 1.49ct L SI1 natural cushion diamonds typically cost ₹78,188 INR to ₹2,31,702 INR, with a median price of ₹1,18,320 INR. There are currently 164 diamonds matching this specification available across retailers.

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

About 46% of these diamonds are available at multiple retailers, with an average price spread of 72%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct L SI1 Natural Cushion

Quick answer

As of November 6, 2026, there are 164 natural cushion diamonds with L colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run ₹78,188 INR to ₹2,31,702 INR, with a median of ₹1,18,320 INR. Half of all listings fall between ₹88,375 INR and ₹1,67,195 INR per carat. Over the last 30 days the median price moved -0.2% and the number of listings moved +11.3%.

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 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

164

Lowest Price

₹58,291 INR

Highest Price

₹4,21,485 INR

Average Price

₹1,42,134 INR

Market Intelligence

Cross Retailer %

46.3%

Price Spread

71.8%

30-Day Price Trend

-0.2%

30-Day Supply Change

+11.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,170/ct

10th Percentile

$812

Median

$1,170

90th Percentile

$2,305

Score Distribution

164 diamonds scored across 4 quality tiers

Excellent

17 (10.4%)

Very Good

47 (28.7%)

Good

53 (32.3%)

Average

47 (28.7%)

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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