How much does a 3.00 to 4.99ct G I1 lab grown round diamond cost?

As of July 2026, 3.00 to 4.99ct G I1 lab grown round diamonds typically cost HK$5,069 HKD to HK$236,121 HKD, with a median price of HK$158,378 HKD. There are currently 10 diamonds matching this specification available across retailers.

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

About 43% of these diamonds are available at multiple retailers, with an average price spread of 52%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G I1 Lab Grown Round

Last updated: July 2026

Available

Lowest Price

HK$5,000 HKD

Highest Price

HK$391,238 HKD

Average Price

HK$125,011 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

42.9%

Price Spread

52.4%

30-Day Price Trend

-3.3%

30-Day Supply Change

-27.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$8,525/ct

10th Percentile

$2,172

Median

$8,525

90th Percentile

$14,577

Score Distribution

10 diamonds scored across 4 quality tiers

Excellent

1 (10.0%)

Very Good

2 (20.0%)

Good

1 (10.0%)

Average

6 (60.0%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

H I1H colour is visually identical to G to the naked eye

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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