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

As of October 2026, 5.00ct+ J SI1 lab grown pear diamonds typically cost £1,357 GBP to £139,401 GBP, with a median price of £2,722 GBP. There are currently 2 diamonds matching this specification available across retailers.

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

About 60% of these diamonds are available at multiple retailers, with an average price spread of 101%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ J SI1 Lab Grown Pear

Quick answer

As of October 2026, there are 2 lab grown pear diamonds with J colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £1,357 GBP to £139,401 GBP, with a median of £2,722 GBP. At least 17 retailers stock this exact specification, and 60% of the stones appear at more than one of them, with an average price spread of 101%. Half of all listings fall between £232 GBP and £688 GBP per carat. The same specification in natural form lists at a median of about £4,093 GBP per carat.

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 lab grown stones in the index: 452 USD per carat, -5.1% 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

Lowest Price

£766 GBP

Highest Price

£226,450 GBP

Average Price

£48,202 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

60.0%

Price Spread

101.5%

Price Range

Price per carat distribution across retailers

$598/ct

10th Percentile

$245

Median

$598

90th Percentile

$1,616

Score Distribution

5 diamonds scored across 2 quality tiers

Excellent

2 (40.0%)

Good

3 (60.0%)

Find Your Diamond

Search 2 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