How much does a 0.20 - 0.49ct I I1 lab grown round diamond cost?

As of April 2026, 0.20 - 0.49ct I I1 lab grown round diamonds are available from HK$600 HKD to HK$415,292 HKD, with an average price of HK$13,757 HKD. There are currently 1,163 diamonds matching this specification available across retailers.

Where can I find the best price on a I I1 round diamond?

About 90% of these diamonds are available at multiple retailers, with an average price spread of 151%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 - 0.49ct I I1 Lab Grown Round

As of April 2026, there are 1,163 lab grown round diamonds with I color and I1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from HK$600 HKD to HK$415,292 HKD, with an average of HK$13,757 HKD.

Last updated: April 2026

Available

1,163

Lowest Price

HK$600 HKD

Highest Price

HK$415,292 HKD

Average Price

HK$13,757 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

90.0%

Price Spread

151.3%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$396/ct

10th Percentile

$319

Median

$396

90th Percentile

$1,131

Score Distribution

1.2K diamonds scored across 4 quality tiers

Excellent

33 (2.8%)

Very Good

556 (47.8%)

Good

350 (30.1%)

Average

224 (19.3%)

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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