How much does a 3.00 to 4.99ct I SI2 natural pear diamond cost?

As of October 2026, 3.00 to 4.99ct I SI2 natural pear diamonds typically cost £9,511 GBP to £40,785 GBP, with a median price of £21,652 GBP. There are currently 171 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 56%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct I SI2 Natural Pear

Quick answer

As of October 2026, there are 171 natural pear diamonds with I colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £9,511 GBP to £40,785 GBP, with a median of £21,652 GBP. At least 51 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 56%. Half of all listings fall between £4,445 GBP and £7,744 GBP per carat. Over the last 30 days the median price moved -5.4% and the number of listings moved +18.1%.

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. Pear natural stones in the index: 2,307 USD per carat, +13.7% 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

171

Lowest Price

£5,876 GBP

Highest Price

£112,522 GBP

Average Price

£24,227 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

38.5%

Price Spread

56.5%

30-Day Price Trend

-5.4%

30-Day Supply Change

+18.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$7,783/ct

10th Percentile

$4,763

Median

$7,783

90th Percentile

$12,191

Score Distribution

460 diamonds scored across 4 quality tiers

Excellent

91 (19.8%)

Very Good

111 (24.1%)

Good

86 (18.7%)

Average

172 (37.4%)

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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