How much does a 1.00 to 1.49ct D SI1 natural emerald diamond cost?

As of October 2026, 1.00 to 1.49ct D SI1 natural emerald diamonds typically cost £1,443 GBP to £5,310 GBP, with a median price of £2,269 GBP. There are currently 171 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 64%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D SI1 Natural Emerald

Quick answer

As of October 2026, there are 171 natural emerald diamonds with D colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £1,443 GBP to £5,310 GBP, with a median of £2,269 GBP. At least 64 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 64%. Half of all listings fall between £1,705 GBP and £3,061 GBP per carat. The same specification in lab grown form lists at a median of about £304 GBP per carat. Over the last 30 days the median price moved +0.3% and the number of listings moved +7.8%.

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

171

Lowest Price

£1,003 GBP

Highest Price

£7,838 GBP

Average Price

£2,854 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

33.6%

Price Spread

63.8%

30-Day Price Trend

+0.3%

30-Day Supply Change

+7.8%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,849/ct

10th Percentile

$1,953

Median

$2,849

90th Percentile

$5,318

Score Distribution

499 diamonds scored across 4 quality tiers

Excellent

88 (17.6%)

Very Good

101 (20.2%)

Good

87 (17.4%)

Average

223 (44.7%)

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Consider Instead

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

D SI2SI2 inclusions are not visible without magnification

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Lab-Grown D SI1Same specifications, lab-grown origin

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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