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

As of September 2026, 1.00 to 1.49ct I IF lab grown princess diamonds typically cost HK$12,781 HKD to HK$37,871 HKD, with a median price of HK$19,480 HKD. There are currently 15 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

1.00 to 1.49ct I IF Lab Grown Princess

Quick answer

As of September 2026, there are 15 lab grown princess diamonds with I colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$12,781 HKD to HK$37,871 HKD, with a median of HK$19,480 HKD. At least 6 retailers stock this exact specification. Half of all listings fall between HK$12,649 HKD and HK$17,149 HKD per carat. The same specification in natural form lists at a median of about HK$27,047 HKD per carat.

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

1.01ct Princess I IF, IGI, score 77 of 100, from HK$10,933 HKD

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

Lowest Price

HK$10,933 HKD

Highest Price

HK$49,811 HKD

Average Price

HK$23,825 HKD

Market Intelligence

Retailers Selling

Price Spread

34.5%

Price Range

Price per carat distribution across retailers

$1,665/ct

10th Percentile

$1,583

Median

$1,665

90th Percentile

$3,701

Score Distribution

15 diamonds scored across 3 quality tiers

Very Good

4 (26.7%)

Good

5 (33.3%)

Average

6 (40.0%)

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J IFJ colour is visually identical to I to the naked eye

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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