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

As of September 2026, 5.00ct+ H SI1 natural emerald diamonds typically cost $127,264 NZD to $421,316 NZD, with a median price of $184,270 NZD. There are currently 20 diamonds matching this specification available across retailers.

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

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5.00ct+ H SI1 Natural Emerald

Quick answer

As of September 2026, there are 20 natural emerald diamonds with H colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $127,264 NZD to $421,316 NZD, with a median of $184,270 NZD. At least 9 retailers stock this exact specification. Half of all listings fall between $38,424 NZD and $50,394 NZD per carat. The same specification in lab grown form lists at a median of about $1,094 NZD 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. Emerald natural stones in the index: 2,166 USD per carat, -6.6% 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

$73,864 NZD

Highest Price

$597,227 NZD

Average Price

$240,874 NZD

Market Intelligence

Retailers Selling

Price Spread

28.4%

Price Range

Price per carat distribution across retailers

$24,490/ct

10th Percentile

$16,796

Median

$24,490

90th Percentile

$33,698

Score Distribution

20 diamonds scored across 4 quality tiers

Excellent

3 (15.0%)

Very Good

4 (20.0%)

Good

8 (40.0%)

Average

5 (25.0%)

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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