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

As of September 2026, 1.00 to 1.49ct G SI2 natural princess diamonds typically cost HK$10,893 HKD to HK$31,249 HKD, with a median price of HK$16,181 HKD. There are currently 642 diamonds matching this specification available across retailers.

Where can I find the best price on a G SI2 princess diamond?

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1.00 to 1.49ct G SI2 Natural Princess

Quick answer

As of September 2026, there are 642 natural princess diamonds with G colour and SI2 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$10,893 HKD to HK$31,249 HKD, with a median of HK$16,181 HKD. At least 50 retailers stock this exact specification. Half of all listings fall between HK$13,448 HKD and HK$21,344 HKD per carat. The same specification in lab grown form lists at a median of about HK$11,181 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

642

Lowest Price

HK$3,632 HKD

Highest Price

HK$132,833 HKD

Average Price

HK$18,931 HKD

Market Intelligence

Retailers Selling

Price Spread

48.9%

Price Range

Price per carat distribution across retailers

$2,059/ct

10th Percentile

$1,457

Median

$2,059

90th Percentile

$3,626

Score Distribution

642 diamonds scored across 4 quality tiers

Excellent

91 (14.2%)

Very Good

171 (26.6%)

Good

189 (29.4%)

Average

191 (29.8%)

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Consider Instead

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

H SI2H colour is visually identical to G to the naked eye

Save 6%

Lab-Grown G SI2Same specifications, lab-grown origin

Save 31%

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