How much does a 1.50 to 1.99ct E I1 natural emerald diamond cost?

As of October 2026, 1.50 to 1.99ct E I1 natural emerald diamonds typically cost £2,130 GBP to £5,883 GBP, with a median price of £3,318 GBP. There are currently 6 diamonds matching this specification available across retailers.

Where can I find the best price on a E I1 emerald diamond?

About 38% of these diamonds are available at multiple retailers, with an average price spread of 21%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct E I1 Natural Emerald

Quick answer

As of October 2026, there are 6 natural emerald diamonds with E colour and I1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £2,130 GBP to £5,883 GBP, with a median of £3,318 GBP. At least 15 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 21%. Half of all listings fall between £1,787 GBP and £2,216 GBP per carat. The same specification in lab grown form lists at a median of about £239 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. 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

£1,974 GBP

Highest Price

£7,850 GBP

Average Price

£3,754 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

38.5%

Price Spread

21.2%

Price Range

Price per carat distribution across retailers

$2,698/ct

10th Percentile

$2,009

Median

$2,698

90th Percentile

$4,135

Score Distribution

13 diamonds scored across 4 quality tiers

Excellent

1 (7.7%)

Very Good

3 (23.1%)

Good

3 (23.1%)

Average

6 (46.2%)

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Consider Instead

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

F I1F colour is visually identical to E to the naked eye

Save 13%

Lab-Grown E I1Same specifications, lab-grown origin

Save 88%

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