How much does a 0.20 - 0.49ct G SI1 lab grown round diamond cost?

As of April 2026, 0.20 - 0.49ct G SI1 lab grown round diamonds are available from HK$523 HKD to HK$773,631 HKD, with an average price of HK$11,472 HKD. There are currently 5,768 diamonds matching this specification available across retailers.

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

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0.20 - 0.49ct G SI1 Lab Grown Round

As of April 2026, there are 5,768 lab grown round diamonds with G color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from HK$523 HKD to HK$773,631 HKD, with an average of HK$11,472 HKD.

Last updated: April 2026

Available

5,768

Lowest Price

HK$523 HKD

Highest Price

HK$773,631 HKD

Average Price

HK$11,472 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

N/A

Price Spread

63.8%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$1,263/ct

10th Percentile

$857

Median

$1,263

90th Percentile

$2,973

Score Distribution

5.8K diamonds scored across 4 quality tiers

Excellent

1,423 (24.7%)

Very Good

2,625 (45.5%)

Good

1,206 (20.9%)

Average

514 (8.9%)

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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