How much does a 3.00 to 4.99ct J SI1 lab grown pear diamond cost?

As of September 2026, 3.00 to 4.99ct J SI1 lab grown pear diamonds typically cost £4,719 GBP to £12,874 GBP, with a median price of £5,065 GBP. There are currently 99 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI1 pear diamond?

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3.00 to 4.99ct J SI1 Lab Grown Pear

Quick answer

As of September 2026, there are 99 lab grown pear diamonds with J colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £4,719 GBP to £12,874 GBP, with a median of £5,065 GBP. At least 5 retailers stock this exact specification. Half of all listings fall between £1,557 GBP and £1,656 GBP per carat. The same specification in natural form lists at a median of about £6,118 GBP per carat.

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

4.30ct Pear J SI1, GIA, score 75 of 100, from £1,253 GBP

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

£1,253 GBP

Highest Price

£41,433 GBP

Average Price

£7,682 GBP

Market Intelligence

Retailers Selling

Price Spread

6.2%

Price Range

Price per carat distribution across retailers

$2,157/ct

10th Percentile

$2,085

Median

$2,157

90th Percentile

$2,367

Score Distribution

99 diamonds scored across 3 quality tiers

Very Good

2 (2.0%)

Good

78 (78.8%)

Average

19 (19.2%)

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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