How much does a 0.50 to 0.74ct I VVS2 lab grown marquise diamond cost?

As of October 2026, 0.50 to 0.74ct I VVS2 lab grown marquise diamonds typically cost HK$2,228 HKD to HK$4,703 HKD, with a median price of HK$2,909 HKD. There are currently 8 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS2 marquise diamond?

About 45% of these diamonds are available at multiple retailers, with an average price spread of 103%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I VVS2 Lab Grown Marquise

Quick answer

As of October 2026, there are 8 lab grown marquise diamonds with I colour and VVS2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run HK$2,228 HKD to HK$4,703 HKD, with a median of HK$2,909 HKD. At least 29 retailers stock this exact specification, and 45% of the stones appear at more than one of them, with an average price spread of 103%. Half of all listings fall between HK$4,531 HKD and HK$10,747 HKD per carat. The same specification in natural form lists at a median of about HK$14,468 HKD per carat. Over the last 30 days the median price moved -3.3% and the number of listings moved +9.0%.

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: October 2026

Available

Lowest Price

HK$1,255 HKD

Highest Price

HK$9,846 HKD

Average Price

HK$3,365 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

44.6%

Price Spread

103.2%

30-Day Price Trend

-3.3%

30-Day Supply Change

+9.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$768/ct

10th Percentile

$284

Median

$768

90th Percentile

$2,518

Score Distribution

9 diamonds scored across 4 quality tiers

Excellent

1 (11.1%)

Very Good

4 (44.4%)

Good

3 (33.3%)

Average

1 (11.1%)

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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