How much does a 2.00 to 2.99ct J SI1 lab grown marquise diamond cost?

As of September 2026, 2.00 to 2.99ct J SI1 lab grown marquise diamonds typically cost ₹2,78,750 INR to ₹4,50,125 INR, with a median price of ₹3,57,083 INR. There are currently 320 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

2.00 to 2.99ct J SI1 Lab Grown Marquise

Quick answer

As of September 2026, there are 320 lab grown marquise diamonds with J colour and SI1 clarity in the 2.00 to 2.99ct range available across retailers worldwide. Prices typically run ₹2,78,750 INR to ₹4,50,125 INR, with a median of ₹3,57,083 INR. At least 3 retailers stock this exact specification. Half of all listings fall between ₹1,36,594 INR and ₹1,51,131 INR per carat. The same specification in natural form lists at a median of about ₹5,63,475 INR per carat.

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Marquise lab grown stones in the index: 500 USD per carat, -14.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

320

Lowest Price

₹31,667 INR

Highest Price

₹15,47,030 INR

Average Price

₹3,72,436 INR

Market Intelligence

Retailers Selling

Price Spread

9.7%

Price Range

Price per carat distribution across retailers

$1,802/ct

10th Percentile

$1,637

Median

$1,802

90th Percentile

$1,820

Score Distribution

320 diamonds scored across 3 quality tiers

Very Good

18 (5.6%)

Good

220 (68.8%)

Average

82 (25.6%)

Find Your Diamond

Search 320 J SI1 marquise diamonds and compare prices.

Search Diamonds

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