How much does a 1.50 to 1.99ct J SI2 natural emerald diamond cost?

As of October 2026, 1.50 to 1.99ct J SI2 natural emerald diamonds typically cost £1,993 GBP to £6,161 GBP, with a median price of £3,412 GBP. There are currently 83 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI2 emerald diamond?

About 30% 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.

1.50 to 1.99ct J SI2 Natural Emerald

Quick answer

As of October 2026, there are 83 natural emerald diamonds with J colour and SI2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £1,993 GBP to £6,161 GBP, with a median of £3,412 GBP. At least 48 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 66%. Half of all listings fall between £1,431 GBP and £2,632 GBP per carat. Over the last 30 days the median price moved -0.5% and the number of listings moved +13.6%.

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

Lowest Price

£1,400 GBP

Highest Price

£8,712 GBP

Average Price

£3,773 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

30.4%

Price Spread

66.0%

30-Day Price Trend

-0.5%

30-Day Supply Change

+13.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,422/ct

10th Percentile

$1,532

Median

$2,422

90th Percentile

$4,306

Score Distribution

326 diamonds scored across 4 quality tiers

Excellent

38 (11.7%)

Very Good

51 (15.6%)

Good

36 (11.0%)

Average

201 (61.7%)

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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