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

As of October 2026, 1.00 to 1.49ct J SI1 natural pear diamonds typically cost £987 GBP to £3,360 GBP, with a median price of £1,761 GBP. There are currently 521 diamonds matching this specification available across retailers.

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

About 43% of these diamonds are available at multiple retailers, with an average price spread of 58%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct J SI1 Natural Pear

Quick answer

As of October 2026, there are 521 natural pear diamonds with J colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £987 GBP to £3,360 GBP, with a median of £1,761 GBP. At least 57 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 58%. Half of all listings fall between £1,087 GBP and £1,957 GBP per carat. The same specification in lab grown form lists at a median of about £804 GBP per carat. Over the last 30 days the median price moved +0.2% and the number of listings moved +15.1%.

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 natural stones in the index: 2,307 USD per carat, +13.7% 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

521

Lowest Price

£588 GBP

Highest Price

£7,919 GBP

Average Price

£1,989 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

43.3%

Price Spread

58.5%

30-Day Price Trend

+0.2%

30-Day Supply Change

+15.1%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,981/ct

10th Percentile

$1,187

Median

$1,981

90th Percentile

$3,405

Score Distribution

1.3K diamonds scored across 4 quality tiers

Excellent

153 (11.6%)

Very Good

299 (22.6%)

Good

275 (20.8%)

Average

594 (45.0%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J SI2SI2 inclusions are not visible without magnification

Save 13%

Lab-Grown J SI1Same specifications, lab-grown origin

Save 46%

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