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

As of September 2026, 1.00 to 1.49ct G VS1 lab grown princess diamonds typically cost $334 AUD to $1,276 AUD, with a median price of $663 AUD. There are currently 851 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct G VS1 Lab Grown Princess

Quick answer

As of September 2026, there are 851 lab grown princess diamonds with G colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $334 AUD to $1,276 AUD, with a median of $663 AUD. At least 46 retailers stock this exact specification. Half of all listings fall between $469 AUD and $953 AUD per carat. The same specification in natural form lists at a median of about $5,977 AUD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Princess lab grown stones in the index: 481 USD per carat, -7.3% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

851

Lowest Price

$178 AUD

Highest Price

$16,072 AUD

Average Price

$779 AUD

Market Intelligence

Retailers Selling

Price Spread

77.6%

Price Range

Price per carat distribution across retailers

$444/ct

10th Percentile

$262

Median

$444

90th Percentile

$915

Score Distribution

850 diamonds scored across 4 quality tiers

Excellent

154 (18.1%)

Very Good

210 (24.7%)

Good

175 (20.6%)

Average

311 (36.6%)

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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