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

As of October 2026, 1.50 to 1.99ct D IF lab grown princess diamonds typically cost $699 USD to $3,905 USD, with a median price of $1,497 USD. There are currently 202 diamonds matching this specification available across retailers.

Where can I find the best price on a D 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 D IF Lab Grown Princess

Quick answer

As of October 2026, there are 202 lab grown princess diamonds with D color and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $699 USD to $3,905 USD, with a median of $1,497 USD. 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 $627 USD and $1,825 USD per carat. The same specification in natural form lists at a median of about $11,624 USD 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

202

Lowest Price

$548 USD

Highest Price

$9,850 USD

Average Price

$1,994 USD

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

530 diamonds scored across 5 quality tiers

Exceptional

20 (3.8%)

Excellent

158 (29.8%)

Very Good

135 (25.5%)

Good

153 (28.9%)

Average

64 (12.1%)

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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