How much does a 0.20 to 0.49ct F I1 natural emerald diamond cost?

As of October 2026, 0.20 to 0.49ct F I1 natural emerald diamonds typically cost £119 GBP to £431 GBP, with a median price of £295 GBP. There are currently 8 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 76%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct F I1 Natural Emerald

Quick answer

As of October 2026, there are 8 natural emerald diamonds with F colour and I1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £119 GBP to £431 GBP, with a median of £295 GBP. At least 17 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 76%. Half of all listings fall between £469 GBP and £984 GBP per carat. Over the last 30 days the median price moved -8.4% and the number of listings moved +48.9%.

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

£86 GBP

Highest Price

£828 GBP

Average Price

£291 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

38.8%

Price Spread

76.4%

30-Day Price Trend

-8.4%

30-Day Supply Change

+48.9%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$897/ct

10th Percentile

$478

Median

$897

90th Percentile

$1,965

Score Distribution

28 diamonds scored across 4 quality tiers

Excellent

1 (3.6%)

Very Good

7 (25.0%)

Good

2 (7.1%)

Average

18 (64.3%)

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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