How much does a 3.00 to 4.99ct F SI1 lab grown pear diamond cost?

As of October 2026, 3.00 to 4.99ct F SI1 lab grown pear diamonds typically cost £355 GBP to £2,239 GBP, with a median price of £1,177 GBP. There are currently 122 diamonds matching this specification available across retailers.

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

About 25% of these diamonds are available at multiple retailers, with an average price spread of 94%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct F SI1 Lab Grown Pear

Quick answer

As of October 2026, there are 122 lab grown pear diamonds with F colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £355 GBP to £2,239 GBP, with a median of £1,177 GBP. At least 42 retailers stock this exact specification, and 25% of the stones appear at more than one of them, with an average price spread of 94%. Half of all listings fall between £168 GBP and £435 GBP per carat. The same specification in natural form lists at a median of about £13,250 GBP per carat. Over the last 30 days the median price moved +8.1% and the number of listings moved +26.9%.

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 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

122

Lowest Price

£251 GBP

Highest Price

£4,650 GBP

Average Price

£1,241 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

25.1%

Price Spread

94.0%

30-Day Price Trend

+8.1%

30-Day Supply Change

+26.9%

Volatility (30d)

0.05

Price Range

Price per carat distribution across retailers

$381/ct

10th Percentile

$145

Median

$381

90th Percentile

$878

Score Distribution

457 diamonds scored across 4 quality tiers

Excellent

82 (17.9%)

Very Good

38 (8.3%)

Good

50 (10.9%)

Average

287 (62.8%)

Find Your Diamond

Search 122 F SI1 pear diamonds and compare prices.

Search Diamonds

Consider Instead

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

F SI2SI2 inclusions are not visible without magnification

Save 17%

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