How much does a 1.50 to 1.99ct E IF lab grown princess diamond cost?

As of October 2026, 1.50 to 1.99ct E IF lab grown princess diamonds typically cost $768 AUD to $4,464 AUD, with a median price of $1,733 AUD. There are currently 44 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 104%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct E IF Lab Grown Princess

Quick answer

As of October 2026, there are 44 lab grown princess diamonds with E colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $768 AUD to $4,464 AUD, with a median of $1,733 AUD. At least 50 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 104%. Half of all listings fall between $892 AUD and $2,595 AUD per carat. The same specification in natural form lists at a median of about $16,528 AUD per carat. Over the last 30 days the median price moved -5.7% and the number of listings moved +28.9%.

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

Lowest Price

$562 AUD

Highest Price

$11,816 AUD

Average Price

$2,312 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

35.9%

Price Spread

104.0%

30-Day Price Trend

-5.7%

30-Day Supply Change

+28.9%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$1,152/ct

10th Percentile

$471

Median

$1,152

90th Percentile

$2,394

Score Distribution

135 diamonds scored across 5 quality tiers

Exceptional

1 (0.7%)

Excellent

47 (34.8%)

Very Good

37 (27.4%)

Good

20 (14.8%)

Average

30 (22.2%)

Find Your Diamond

Search 44 E IF princess diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

F IFF colour is visually identical to E to the naked eye

Save 16%

E VVS1VVS1 inclusions are not visible without magnification

Save 53%

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