How much does a 1.00 to 1.49ct D SI2 natural princess diamond cost?

As of September 2026, 1.00 to 1.49ct D SI2 natural princess diamonds typically cost HK$10,661 HKD to HK$50,825 HKD, with a median price of HK$20,250 HKD. There are currently 261 diamonds matching this specification available across retailers.

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1.00 to 1.49ct D SI2 Natural Princess

Quick answer

As of September 2026, there are 261 natural princess diamonds with D colour and SI2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$10,661 HKD to HK$50,825 HKD, with a median of HK$20,250 HKD. At least 49 retailers stock this exact specification. Half of all listings fall between HK$13,752 HKD and HK$23,972 HKD per carat. The same specification in lab grown form lists at a median of about HK$3,658 HKD 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 natural stones in the index: 2,073 USD per carat, -3.2% 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

261

Lowest Price

HK$8,726 HKD

Highest Price

HK$163,252 HKD

Average Price

HK$25,451 HKD

Market Intelligence

Retailers Selling

Price Spread

60.0%

Price Range

Price per carat distribution across retailers

$2,170/ct

10th Percentile

$1,492

Median

$2,170

90th Percentile

$4,079

Score Distribution

261 diamonds scored across 4 quality tiers

Excellent

48 (18.4%)

Very Good

41 (15.7%)

Good

63 (24.1%)

Average

109 (41.8%)

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Consider Instead

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

Lab-Grown D SI2Same specifications, lab-grown origin

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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