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

As of October 2026, 5.00ct+ J SI1 natural pear diamonds typically cost £29,277 GBP to £108,386 GBP, with a median price of £64,967 GBP. There are currently 29 diamonds matching this specification available across retailers.

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

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5.00ct+ J SI1 Natural Pear

Quick answer

As of October 2026, there are 29 natural pear diamonds with J colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run £29,277 GBP to £108,386 GBP, with a median of £64,967 GBP. The same specification in lab grown form lists at a median of about £481 GBP per carat.

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

Lowest Price

£22,119 GBP

Highest Price

£299,641 GBP

Average Price

£70,828 GBP

Score Distribution

61 diamonds scored across 4 quality tiers

Excellent

8 (13.1%)

Very Good

7 (11.5%)

Good

19 (31.1%)

Average

27 (44.3%)

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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