How much does a 1.00 to 1.49ct J SI1 lab grown pear diamond cost?

As of October 2026, 1.00 to 1.49ct J SI1 lab grown pear diamonds typically cost £526 GBP to £1,337 GBP, with a median price of £788 GBP. There are currently 22 diamonds matching this specification available across retailers.

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

About 51% of these diamonds are available at multiple retailers, with an average price spread of 65%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct J SI1 Lab Grown Pear

Quick answer

As of October 2026, there are 22 lab grown pear diamonds with J colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £526 GBP to £1,337 GBP, with a median of £788 GBP. At least 18 retailers stock this exact specification, and 51% of the stones appear at more than one of them, with an average price spread of 65%. Half of all listings fall between £738 GBP and £1,263 GBP per carat. The same specification in natural form lists at a median of about £1,706 GBP per carat. Over the last 30 days the median price moved -12.8% and the number of listings moved -21.8%.

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

£518 GBP

Highest Price

£2,943 GBP

Average Price

£920 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

51.0%

Price Spread

65.3%

30-Day Price Trend

-12.8%

30-Day Supply Change

-21.8%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$1,071/ct

10th Percentile

$696

Median

$1,071

90th Percentile

$2,946

Score Distribution

45 diamonds scored across 4 quality tiers

Excellent

17 (37.8%)

Very Good

5 (11.1%)

Good

7 (15.6%)

Average

16 (35.6%)

Find Your Diamond

Search 22 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