How much does a 0.20 to 0.49ct H SI1 lab grown round diamond cost?

As of October 2026, 0.20 to 0.49ct H SI1 lab grown round diamonds typically cost ₹15,291 INR to ₹81,694 INR, with a median price of ₹32,582 INR. There are currently 40 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI1 round diamond?

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

0.20 to 0.49ct H SI1 Lab Grown Round

Quick answer

As of October 2026, there are 40 lab grown round diamonds with H colour and SI1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run ₹15,291 INR to ₹81,694 INR, with a median of ₹32,582 INR. The same specification in natural form lists at a median of about ₹1,30,255 INR per carat.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

₹13,052 INR

Highest Price

₹1,41,199 INR

Average Price

₹40,450 INR

Score Distribution

72 diamonds scored across 4 quality tiers

Excellent

8 (11.1%)

Very Good

14 (19.4%)

Good

31 (43.1%)

Average

19 (26.4%)

Find Your Diamond

Search 40 H SI1 round 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