How much does a 1.50 to 1.99ct J SI1 natural pear diamond cost?

As of October 2026, 1.50 to 1.99ct J SI1 natural pear diamonds typically cost £2,247 GBP to £7,410 GBP, with a median price of £3,964 GBP. There are currently 266 diamonds matching this specification available across retailers.

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

About 40% 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.

1.50 to 1.99ct J SI1 Natural Pear

Quick answer

As of October 2026, there are 266 natural pear diamonds with J colour and SI1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £2,247 GBP to £7,410 GBP, with a median of £3,964 GBP. At least 56 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 58%. Half of all listings fall between £1,643 GBP and £2,969 GBP per carat. The same specification in lab grown form lists at a median of about £744 GBP per carat. Over the last 30 days the median price moved -1.3% and the number of listings moved +16.9%.

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

266

Lowest Price

£1,506 GBP

Highest Price

£13,066 GBP

Average Price

£4,483 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

39.8%

Price Spread

57.9%

30-Day Price Trend

-1.3%

30-Day Supply Change

+16.9%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$3,049/ct

10th Percentile

$1,687

Median

$3,049

90th Percentile

$5,098

Score Distribution

719 diamonds scored across 4 quality tiers

Excellent

85 (11.8%)

Very Good

150 (20.9%)

Good

142 (19.7%)

Average

342 (47.6%)

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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 7%

Lab-Grown J SI1Same specifications, lab-grown origin

Save 68%

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