How much does a 0.20 to 0.49ct G VS1 lab grown round diamond cost?

As of October 2026, 0.20 to 0.49ct G VS1 lab grown round diamonds typically cost $171 SGD to $801 SGD, with a median price of $314 SGD. There are currently 110 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS1 round diamond?

About 39% of these diamonds are available at multiple retailers, with an average price spread of 123%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct G VS1 Lab Grown Round

Quick answer

As of October 2026, there are 110 lab grown round diamonds with G colour and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $171 SGD to $801 SGD, with a median of $314 SGD. At least 18 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 123%. Half of all listings fall between $349 SGD and $1,120 SGD per carat. The same specification in natural form lists at a median of about $2,386 SGD per carat. Over the last 30 days the median price moved -22.9% and the number of listings moved -5.8%.

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

110

Lowest Price

$88 SGD

Highest Price

$1,669 SGD

Average Price

$420 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

39.1%

Price Spread

123.4%

30-Day Price Trend

-22.9%

30-Day Supply Change

-5.8%

Volatility (30d)

0.05

Price Range

Price per carat distribution across retailers

$487/ct

10th Percentile

$224

Median

$487

90th Percentile

$1,350

Score Distribution

231 diamonds scored across 4 quality tiers

Excellent

21 (9.1%)

Very Good

71 (30.7%)

Good

84 (36.4%)

Average

55 (23.8%)

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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