How much does a 1.00 to 1.49ct D IF lab grown princess diamond cost?

As of October 2026, 1.00 to 1.49ct D IF lab grown princess diamonds typically cost $411 AUD to $2,669 AUD, with a median price of $889 AUD. There are currently 431 diamonds matching this specification available across retailers.

Where can I find the best price on a D IF princess diamond?

About 38% of these diamonds are available at multiple retailers, with an average price spread of 118%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D IF Lab Grown Princess

Quick answer

As of October 2026, there are 431 lab grown princess diamonds with D colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $411 AUD to $2,669 AUD, with a median of $889 AUD. At least 50 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 118%. Half of all listings fall between $585 AUD and $1,680 AUD per carat. The same specification in natural form lists at a median of about $11,927 AUD per carat. Over the last 30 days the median price moved +2.9% and the number of listings moved +14.3%.

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

431

Lowest Price

$327 AUD

Highest Price

$10,021 AUD

Average Price

$1,257 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

38.0%

Price Spread

117.7%

30-Day Price Trend

+2.9%

30-Day Supply Change

+14.3%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$653/ct

10th Percentile

$292

Median

$653

90th Percentile

$1,487

Score Distribution

1.1K diamonds scored across 5 quality tiers

Exceptional

11 (1.0%)

Excellent

403 (36.4%)

Very Good

195 (17.6%)

Good

305 (27.5%)

Average

194 (17.5%)

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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