How much does a 1.00 to 1.49ct G I1 lab grown round diamond cost?

As of July 2026, 1.00 to 1.49ct G I1 lab grown round diamonds typically cost HK$9,366 HKD to HK$38,186 HKD, with a median price of HK$20,023 HKD. There are currently 137 diamonds matching this specification available across retailers.

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

About 75% of these diamonds are available at multiple retailers, with an average price spread of 60%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G I1 Lab Grown Round

Last updated: July 2026

Available

137

Lowest Price

HK$1,692 HKD

Highest Price

HK$62,585 HKD

Average Price

HK$22,177 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

74.9%

Price Spread

60.4%

30-Day Price Trend

+12.6%

30-Day Supply Change

-14.8%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$2,591/ct

10th Percentile

$1,258

Median

$2,591

90th Percentile

$4,274

Score Distribution

137 diamonds scored across 4 quality tiers

Excellent

5 (3.6%)

Very Good

55 (40.1%)

Good

38 (27.7%)

Average

39 (28.5%)

Find Your Diamond

Search 137 G I1 round diamonds and compare prices.

Search Diamonds

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

Save 11%

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