How much does a 0.50 to 0.74ct G SI2 lab grown emerald diamond cost?

As of October 2026, 0.50 to 0.74ct G SI2 lab grown emerald diamonds typically cost HK$937 HKD to HK$3,670 HKD, with a median price of HK$1,932 HKD. There are currently 11 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 emerald diamond?

About 48% of these diamonds are available at multiple retailers, with an average price spread of 79%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct G SI2 Lab Grown Emerald

Quick answer

As of October 2026, there are 11 lab grown emerald diamonds with G colour and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run HK$937 HKD to HK$3,670 HKD, with a median of HK$1,932 HKD. At least 22 retailers stock this exact specification, and 48% of the stones appear at more than one of them, with an average price spread of 79%. Half of all listings fall between HK$2,215 HKD and HK$5,382 HKD per carat. The same specification in natural form lists at a median of about HK$8,576 HKD per carat. Over the last 30 days the median price moved +3.7% and the number of listings moved +7.4%.

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. Emerald lab grown stones in the index: 451 USD per carat, -8.3% 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

Lowest Price

HK$785 HKD

Highest Price

HK$10,701 HKD

Average Price

HK$2,126 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

48.3%

Price Spread

78.8%

30-Day Price Trend

+3.7%

30-Day Supply Change

+7.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$512/ct

10th Percentile

$186

Median

$512

90th Percentile

$963

Score Distribution

12 diamonds scored across 4 quality tiers

Excellent

4 (33.3%)

Very Good

3 (25.0%)

Good

3 (25.0%)

Average

2 (16.7%)

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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