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

As of September 2026, 5.00ct+ G SI1 natural pear diamonds typically cost £75,853 GBP to £222,114 GBP, with a median price of £115,671 GBP. There are currently 38 diamonds matching this specification available across retailers.

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

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5.00ct+ G SI1 Natural Pear

Quick answer

As of September 2026, there are 38 natural pear diamonds with G colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £75,853 GBP to £222,114 GBP, with a median of £115,671 GBP. At least 30 retailers stock this exact specification. Half of all listings fall between £13,896 GBP and £20,293 GBP per carat. The same specification in lab grown form lists at a median of about £302 GBP per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Pear natural stones in the index: 2,103 USD per carat, -9.0% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

£62,914 GBP

Highest Price

£939,826 GBP

Average Price

£150,765 GBP

Market Intelligence

Retailers Selling

Price Spread

37.7%

Price Range

Price per carat distribution across retailers

$22,905/ct

10th Percentile

$16,876

Median

$22,905

90th Percentile

$30,261

Score Distribution

38 diamonds scored across 4 quality tiers

Excellent

4 (10.5%)

Very Good

11 (28.9%)

Good

12 (31.6%)

Average

11 (28.9%)

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Consider Instead

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

Lab-Grown G SI1Same specifications, lab-grown origin

Save 98%

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