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

As of September 2026, 3.00 to 4.99ct I SI2 lab grown pear diamonds typically cost £10,093 GBP to £45,451 GBP, with a median price of £26,520 GBP. There are currently 18 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct I SI2 Lab Grown Pear

Quick answer

As of September 2026, there are 18 lab grown pear diamonds with I colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £10,093 GBP to £45,451 GBP, with a median of £26,520 GBP. At least 8 retailers stock this exact specification. Half of all listings fall between £3,394 GBP and £9,312 GBP per carat. The same specification in natural form lists at a median of about £7,862 GBP 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. Pear lab grown stones in the index: 478 USD per carat, -9.3% 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

£6,315 GBP

Highest Price

£52,515 GBP

Average Price

£26,510 GBP

Market Intelligence

Retailers Selling

Price Spread

146.4%

Price Range

Price per carat distribution across retailers

$5,460/ct

10th Percentile

$2,425

Median

$5,460

90th Percentile

$13,370

Score Distribution

18 diamonds scored across 3 quality tiers

Very Good

2 (11.1%)

Good

7 (38.9%)

Average

9 (50.0%)

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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