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

As of September 2026, 5.00ct+ I SI1 natural pear diamonds typically cost HK$477,916 HKD to HK$1,530,583 HKD, with a median price of HK$760,898 HKD. There are currently 98 diamonds matching this specification available across retailers.

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

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5.00ct+ I SI1 Natural Pear

Quick answer

As of September 2026, there are 98 natural pear diamonds with I colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run HK$477,916 HKD to HK$1,530,583 HKD, with a median of HK$760,898 HKD. At least 12 retailers stock this exact specification. Half of all listings fall between HK$195,292 HKD and HK$274,654 HKD per carat. The same specification in lab grown form lists at a median of about HK$10,646 HKD 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

HK$300,393 HKD

Highest Price

HK$5,953,565 HKD

Average Price

HK$973,929 HKD

Market Intelligence

Retailers Selling

Price Spread

35.4%

Price Range

Price per carat distribution across retailers

$28,614/ct

10th Percentile

$21,891

Median

$28,614

90th Percentile

$38,350

Score Distribution

98 diamonds scored across 4 quality tiers

Excellent

13 (13.3%)

Very Good

32 (32.7%)

Good

28 (28.6%)

Average

25 (25.5%)

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Consider Instead

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

J SI1J colour is visually identical to I to the naked eye

Save 35%

Lab-Grown I SI1Same specifications, lab-grown origin

Save 97%

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