How much does a 1.00 to 1.49ct G I1 natural emerald diamond cost?

As of November 2026, 1.00 to 1.49ct G I1 natural emerald diamonds typically cost £829 GBP to £1,905 GBP, with a median price of £1,260 GBP. There are currently 31 diamonds matching this specification available across retailers.

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

About 44% of these diamonds are available at multiple retailers, with an average price spread of 45%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct G I1 Natural Emerald

Quick answer

As of November 2026, there are 31 natural emerald diamonds with G colour and I1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £829 GBP to £1,905 GBP, with a median of £1,260 GBP. At least 22 retailers stock this exact specification, and 44% of the stones appear at more than one of them, with an average price spread of 45%. Half of all listings fall between £978 GBP and £1,529 GBP per carat. Over the last 30 days the median price moved -3.4% and the number of listings moved +1.7%.

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: November 2026

Available

Lowest Price

£554 GBP

Highest Price

£3,458 GBP

Average Price

£1,327 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

43.6%

Price Spread

45.1%

30-Day Price Trend

-3.4%

30-Day Supply Change

+1.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,637/ct

10th Percentile

$1,133

Median

$1,637

90th Percentile

$2,855

Score Distribution

69 diamonds scored across 4 quality tiers

Excellent

8 (11.6%)

Very Good

16 (23.2%)

Good

19 (27.5%)

Average

26 (37.7%)

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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