How much does a 0.20 to 0.49ct G SI2 natural princess diamond cost?

As of November 6, 2026, 0.20 to 0.49ct G SI2 natural princess diamonds typically cost $337 SGD to $818 SGD, with a median price of $508 SGD. There are currently 232 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 42%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct G SI2 Natural Princess

Quick answer

As of November 6, 2026, there are 232 natural princess diamonds with G colour and SI2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $337 SGD to $818 SGD, with a median of $508 SGD. Half of all listings fall between $981 SGD and $1,571 SGD per carat. The same specification in lab grown form lists at a median of about $985 SGD per carat. Over the last 30 days the median price moved +0.6% and the number of listings moved +21.7%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Princess natural stones in the index: 1,991 USD per carat, -8.2% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

232

Lowest Price

$180 SGD

Highest Price

$2,216 SGD

Average Price

$553 SGD

Market Intelligence

Cross Retailer %

33.2%

Price Spread

41.7%

30-Day Price Trend

+0.6%

30-Day Supply Change

+21.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,109/ct

10th Percentile

$720

Median

$1,109

90th Percentile

$1,822

Score Distribution

232 diamonds scored across 4 quality tiers

Excellent

18 (7.8%)

Very Good

62 (26.7%)

Good

37 (15.9%)

Average

115 (49.6%)

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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