How much does a 0.20 to 0.49ct J SI1 natural marquise diamond cost?

As of November 2026, 0.20 to 0.49ct J SI1 natural marquise diamonds typically cost ₹21,655 INR to ₹58,822 INR, with a median price of ₹33,755 INR. There are currently 60 diamonds matching this specification available across retailers.

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

About 27% of these diamonds are available at multiple retailers, with an average price spread of 41%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct J SI1 Natural Marquise

Quick answer

As of November 2026, there are 60 natural marquise diamonds with J colour and SI1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run ₹21,655 INR to ₹58,822 INR, with a median of ₹33,755 INR. At least 35 retailers stock this exact specification, and 27% of the stones appear at more than one of them, with an average price spread of 41%. Half of all listings fall between ₹82,265 INR and ₹1,23,087 INR per carat. Over the last 30 days the median price moved +1.6% and the number of listings moved +24.7%.

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. Marquise natural stones in the index: 2,268 USD per carat, +10.8% 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

Lowest Price

₹10,359 INR

Highest Price

₹1,08,974 INR

Average Price

₹39,018 INR

Market Intelligence

Retailers Selling

Cross Retailer %

27.0%

Price Spread

40.8%

30-Day Price Trend

+1.6%

30-Day Supply Change

+24.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,054/ct

10th Percentile

$703

Median

$1,054

90th Percentile

$1,583

Score Distribution

188 diamonds scored across 4 quality tiers

Excellent

19 (10.1%)

Very Good

41 (21.8%)

Good

27 (14.4%)

Average

101 (53.7%)

Find Your Diamond

Search 60 J SI1 marquise diamonds and compare prices.

Search Diamonds

Consider Instead

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

J SI2SI2 inclusions are not visible without magnification

Save 11%

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