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

As of November 2026, 0.75 to 0.99ct J SI1 natural emerald diamonds typically cost €630 EUR to €1,640 EUR, with a median price of €894 EUR. There are currently 72 diamonds matching this specification available across retailers.

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

About 27% of these diamonds are available at multiple retailers, with an average price spread of 48%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct J SI1 Natural Emerald

Quick answer

As of November 2026, there are 72 natural emerald diamonds with J color and SI1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run €630 EUR to €1,640 EUR, with a median of €894 EUR. At least 51 retailers stock this exact specification, and 27% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between €828 EUR and €1,319 EUR per carat. The same specification in lab grown form lists at a median of about €756 EUR per carat. Over the last 30 days the median price moved 0.0% and the number of listings moved +4.4%.

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

€440 EUR

Highest Price

€2,843 EUR

Average Price

€1,020 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

27.4%

Price Spread

47.6%

30-Day Price Trend

0.0%

30-Day Supply Change

+4.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,152/ct

10th Percentile

$783

Median

$1,152

90th Percentile

$2,143

Score Distribution

238 diamonds scored across 4 quality tiers

Excellent

26 (10.9%)

Very Good

42 (17.6%)

Good

44 (18.5%)

Average

126 (52.9%)

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Consider Instead

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

Lab-Grown J SI1Same specifications, lab-grown origin

Save 27%

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