How much does a 5.00ct+ J SI1 lab grown pear diamond cost?

As of September 2026, 5.00ct+ J SI1 lab grown pear diamonds typically cost £3,583 GBP to £252,200 GBP, with a median price of £36,264 GBP. There are currently 11 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

5.00ct+ J SI1 Lab Grown Pear

Quick answer

As of September 2026, there are 11 lab grown pear diamonds with J colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £3,583 GBP to £252,200 GBP, with a median of £36,264 GBP. At least 9 retailers stock this exact specification. Half of all listings fall between £342 GBP and £978 GBP per carat. The same specification in natural form lists at a median of about £9,894 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

£1,116 GBP

Highest Price

£482,507 GBP

Average Price

£92,451 GBP

Market Intelligence

Retailers Selling

Price Spread

90.8%

Price Range

Price per carat distribution across retailers

$945/ct

10th Percentile

$249

Median

$945

90th Percentile

$1,845

Score Distribution

11 diamonds scored across 4 quality tiers

Excellent

1 (9.1%)

Very Good

2 (18.2%)

Good

5 (45.5%)

Average

3 (27.3%)

Find Your Diamond

Search 11 J SI1 pear diamonds and compare prices.

Search Diamonds

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