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

As of October 2026, 5.00ct+ G SI1 lab grown pear diamonds typically cost £534 GBP to £5,905 GBP, with a median price of £1,447 GBP. There are currently 26 diamonds matching this specification available across retailers.

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

About 46% of these diamonds are available at multiple retailers, with an average price spread of 88%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ G SI1 Lab Grown Pear

Quick answer

As of October 2026, there are 26 lab grown pear diamonds with G colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £534 GBP to £5,905 GBP, with a median of £1,447 GBP. At least 23 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 88%. Half of all listings fall between £141 GBP and £301 GBP per carat. The same specification in natural form lists at a median of about £14,683 GBP per carat. Over the last 30 days the median price moved -19.5% and the number of listings moved +78.3%.

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

£420 GBP

Highest Price

£31,154 GBP

Average Price

£3,177 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

46.4%

Price Spread

87.8%

30-Day Price Trend

-19.5%

30-Day Supply Change

+78.3%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$243/ct

10th Percentile

$131

Median

$243

90th Percentile

$739

Score Distribution

42 diamonds scored across 4 quality tiers

Excellent

11 (26.2%)

Very Good

7 (16.7%)

Good

12 (28.6%)

Average

12 (28.6%)

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H SI1H colour is visually identical to G to the naked eye

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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