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

As of September 2026, 1.00 to 1.49ct H VS1 lab grown princess diamonds typically cost $406 AUD to $2,771 AUD, with a median price of $746 AUD. There are currently 304 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct H VS1 Lab Grown Princess

Quick answer

As of September 2026, there are 304 lab grown princess diamonds with H colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $406 AUD to $2,771 AUD, with a median of $746 AUD. At least 34 retailers stock this exact specification. Half of all listings fall between $608 AUD and $2,170 AUD per carat. The same specification in natural form lists at a median of about $4,744 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

304

Lowest Price

$202 AUD

Highest Price

$13,037 AUD

Average Price

$1,284 AUD

Market Intelligence

Retailers Selling

Price Spread

194.9%

Price Range

Price per carat distribution across retailers

$521/ct

10th Percentile

$286

Median

$521

90th Percentile

$2,712

Score Distribution

304 diamonds scored across 4 quality tiers

Excellent

44 (14.5%)

Very Good

80 (26.3%)

Good

125 (41.1%)

Average

55 (18.1%)

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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