How much does a 1.00 to 1.49ct G VS1 lab grown marquise diamond cost?

As of November 2026, 1.00 to 1.49ct G VS1 lab grown marquise diamonds typically cost HK$1,648 HKD to HK$7,721 HKD, with a median price of HK$4,045 HKD. There are currently 407 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS1 marquise diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 75%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G VS1 Lab Grown Marquise

Quick answer

As of November 2026, there are 407 lab grown marquise diamonds with G colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$1,648 HKD to HK$7,721 HKD, with a median of HK$4,045 HKD. At least 53 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 75%. Half of all listings fall between HK$2,544 HKD and HK$5,492 HKD per carat. The same specification in natural form lists at a median of about HK$53,108 HKD per carat. Over the last 30 days the median price moved +6.2% and the number of listings moved +9.9%.

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. Marquise lab grown stones in the index: 485 USD per carat, -3.2% 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: November 2026

Available

407

Lowest Price

HK$1,043 HKD

Highest Price

HK$17,159 HKD

Average Price

HK$4,643 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

32.9%

Price Spread

75.3%

30-Day Price Trend

+6.2%

30-Day Supply Change

+9.9%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$499/ct

10th Percentile

$203

Median

$499

90th Percentile

$955

Score Distribution

1.0K diamonds scored across 4 quality tiers

Excellent

153 (15.1%)

Very Good

80 (7.9%)

Good

372 (36.7%)

Average

410 (40.4%)

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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