How much does a 3.00 to 4.99ct E SI1 natural emerald diamond cost?

As of October 2026, 3.00 to 4.99ct E SI1 natural emerald diamonds typically cost £23,045 GBP to £100,969 GBP, with a median price of £42,808 GBP. There are currently 24 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 36%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct E SI1 Natural Emerald

Quick answer

As of October 2026, there are 24 natural emerald diamonds with E colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run £23,045 GBP to £100,969 GBP, with a median of £42,808 GBP. At least 51 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 36%. Half of all listings fall between £9,056 GBP and £12,976 GBP per carat. The same specification in lab grown form lists at a median of about £297 GBP per carat. Over the last 30 days the median price moved +0.1% and the number of listings moved -1.3%.

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

£15,521 GBP

Highest Price

£117,765 GBP

Average Price

£51,476 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

32.0%

Price Spread

36.4%

30-Day Price Trend

+0.1%

30-Day Supply Change

-1.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$14,361/ct

10th Percentile

$10,740

Median

$14,361

90th Percentile

$20,709

Score Distribution

86 diamonds scored across 4 quality tiers

Excellent

14 (16.3%)

Very Good

15 (17.4%)

Good

9 (10.5%)

Average

48 (55.8%)

Find Your Diamond

Search 24 E SI1 emerald diamonds and compare prices.

Search Diamonds

Consider Instead

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

E SI2SI2 inclusions are not visible without magnification

Save 16%

Lab-Grown E 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