How much does a 5.00ct+ H SI1 natural asscher diamond cost?

As of September 2026, 5.00ct+ H SI1 natural asscher diamonds typically cost $53,454 USD to $145,130 USD, with a median price of $83,902 USD. There are currently 9 diamonds matching this specification available across retailers.

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

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5.00ct+ H SI1 Natural Asscher

Quick answer

As of September 2026, there are 9 natural asscher diamonds with H color and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $53,454 USD to $145,130 USD, with a median of $83,902 USD. At least 9 retailers stock this exact specification. Half of all listings fall between $15,261 USD and $28,063 USD per carat. The same specification in lab grown form lists at a median of about $1,869 USD 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. Asscher natural stones in the index: 2,601 USD per carat, +11.1% 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

$1,660 USD

Highest Price

$232,590 USD

Average Price

$94,902 USD

Market Intelligence

Retailers Selling

Price Spread

59.6%

Price Range

Price per carat distribution across retailers

$21,486/ct

10th Percentile

$12,631

Median

$21,486

90th Percentile

$30,529

Score Distribution

9 diamonds scored across 4 quality tiers

Excellent

2 (22.2%)

Very Good

1 (11.1%)

Good

4 (44.4%)

Average

2 (22.2%)

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Consider Instead

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

H SI2SI2 inclusions are not visible without magnification

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Lab-Grown H SI1Same specifications, lab-grown origin

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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