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

As of October 2026, 5.00ct+ H SI1 natural emerald diamonds typically cost €54,437 EUR to €252,235 EUR, with a median price of €114,153 EUR. There are currently 12 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 October 2026, there are 12 natural emerald diamonds with H colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run €54,437 EUR to €252,235 EUR, with a median of €114,153 EUR. The same specification in lab grown form lists at a median of about €291 EUR 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. Emerald natural stones in the index: 2,278 USD per carat, +6.2% 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

€38,546 EUR

Highest Price

€386,537 EUR

Average Price

€133,656 EUR

Score Distribution

23 diamonds scored across 4 quality tiers

Excellent

6 (26.1%)

Very Good

2 (8.7%)

Good

3 (13.0%)

Average

12 (52.2%)

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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