How much does a 0.75 to 0.99ct F SI1 natural emerald diamond cost?

As of October 2026, 0.75 to 0.99ct F SI1 natural emerald diamonds typically cost £706 GBP to £2,365 GBP, with a median price of £1,125 GBP. There are currently 181 diamonds matching this specification available across retailers.

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

About 31% of these diamonds are available at multiple retailers, with an average price spread of 66%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct F SI1 Natural Emerald

Quick answer

As of October 2026, there are 181 natural emerald diamonds with F colour and SI1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £706 GBP to £2,365 GBP, with a median of £1,125 GBP. At least 61 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 66%. Half of all listings fall between £1,051 GBP and £1,963 GBP per carat. The same specification in lab grown form lists at a median of about £371 GBP per carat. Over the last 30 days the median price moved -1.2% and the number of listings moved +7.6%.

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

181

Lowest Price

£405 GBP

Highest Price

£4,171 GBP

Average Price

£1,357 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

30.7%

Price Spread

66.5%

30-Day Price Trend

-1.2%

30-Day Supply Change

+7.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,827/ct

10th Percentile

$1,179

Median

$1,827

90th Percentile

$3,573

Score Distribution

518 diamonds scored across 4 quality tiers

Excellent

80 (15.4%)

Very Good

109 (21.0%)

Good

139 (26.8%)

Average

190 (36.7%)

Find Your Diamond

Search 181 F 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.

F SI2SI2 inclusions are not visible without magnification

Save 15%

Lab-Grown F SI1Same specifications, lab-grown origin

Save 73%

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