How much does a 0.20 to 0.49ct G SI2 lab grown radiant diamond cost?

As of October 2026, 0.20 to 0.49ct G SI2 lab grown radiant diamonds typically cost ₹9,146 INR to ₹9,146 INR, with a median price of ₹9,146 INR. There are currently 1 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 radiant diamond?

About 17% of these diamonds are available at multiple retailers, with an average price spread of 65%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct G SI2 Lab Grown Radiant

Quick answer

As of October 2026, there are 1 lab grown radiant diamonds with G colour and SI2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run ₹9,146 INR to ₹9,146 INR, with a median of ₹9,146 INR. At least 14 retailers stock this exact specification, and 17% of the stones appear at more than one of them, with an average price spread of 65%. Half of all listings fall between ₹50,702 INR and ₹98,543 INR per carat. The same specification in natural form lists at a median of about ₹1,32,910 INR per carat.

Three of the best scored stones at this specification right now:

0.36ct Radiant G SI2, IGI, grade A, from ₹9,146 INR

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

Lowest Price

₹9,146 INR

Highest Price

₹83,727 INR

Average Price

₹9,146 INR

Market Intelligence

Retailers Selling

Cross Retailer %

16.7%

Price Spread

65.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$772/ct

10th Percentile

$331

Median

$772

90th Percentile

$1,795

Score Distribution

1 diamonds scored across 1 quality tiers

Excellent

1 (100.0%)

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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