How much does a 0.50 to 0.74ct I VS2 lab grown marquise diamond cost?

As of October 2026, 0.50 to 0.74ct I VS2 lab grown marquise diamonds typically cost $391 SGD to $826 SGD, with a median price of $526 SGD. There are currently 17 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS2 marquise diamond?

About 69% of these diamonds are available at multiple retailers, with an average price spread of 179%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I VS2 Lab Grown Marquise

Quick answer

As of October 2026, there are 17 lab grown marquise diamonds with I colour and VS2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $391 SGD to $826 SGD, with a median of $526 SGD. At least 22 retailers stock this exact specification, and 69% of the stones appear at more than one of them, with an average price spread of 179%. Half of all listings fall between $916 SGD and $2,918 SGD per carat. The same specification in natural form lists at a median of about $2,180 SGD per carat. Over the last 30 days the median price moved +1.2% and the number of listings moved +27.1%.

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

$197 SGD

Highest Price

$3,333 SGD

Average Price

$631 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

69.2%

Price Spread

179.1%

30-Day Price Trend

+1.2%

30-Day Supply Change

+27.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$872/ct

10th Percentile

$614

Median

$872

90th Percentile

$2,869

Score Distribution

22 diamonds scored across 4 quality tiers

Excellent

7 (31.8%)

Very Good

6 (27.3%)

Good

4 (18.2%)

Average

5 (22.7%)

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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