How much does a 1.50 to 1.99ct G VS1 lab grown princess diamond cost?

As of October 2026, 1.50 to 1.99ct G VS1 lab grown princess diamonds typically cost $322 SGD to $1,720 SGD, with a median price of $914 SGD. There are currently 645 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 98%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G VS1 Lab Grown Princess

Quick answer

As of October 2026, there are 645 lab grown princess diamonds with G colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $322 SGD to $1,720 SGD, with a median of $914 SGD. At least 57 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 98%. Half of all listings fall between $313 SGD and $850 SGD per carat. The same specification in natural form lists at a median of about $8,759 SGD per carat. Over the last 30 days the median price moved +9.3% and the number of listings moved +20.6%.

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. Princess lab grown stones in the index: 461 USD per carat, -4.8% 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

645

Lowest Price

$227 SGD

Highest Price

$4,108 SGD

Average Price

$955 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

32.1%

Price Spread

98.0%

30-Day Price Trend

+9.3%

30-Day Supply Change

+20.6%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$428/ct

10th Percentile

$169

Median

$428

90th Percentile

$891

Score Distribution

2.1K diamonds scored across 4 quality tiers

Excellent

531 (24.9%)

Very Good

200 (9.4%)

Good

387 (18.1%)

Average

1,017 (47.6%)

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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