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

As of October 2026, 1.00 to 1.49ct J SI1 natural emerald diamonds typically cost €1,061 EUR to €3,252 EUR, with a median price of €1,616 EUR. There are currently 208 diamonds matching this specification available across retailers.

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

About 40% 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 J SI1 Natural Emerald

Quick answer

As of October 2026, there are 208 natural emerald diamonds with J colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €1,061 EUR to €3,252 EUR, with a median of €1,616 EUR. At least 57 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 45%. Half of all listings fall between €1,163 EUR and €1,796 EUR per carat. The same specification in lab grown form lists at a median of about €938 EUR 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

208

Lowest Price

€809 EUR

Highest Price

€5,426 EUR

Average Price

€1,898 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

39.8%

Price Spread

44.9%

30-Day Price Trend

-0.3%

30-Day Supply Change

+7.8%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,575/ct

10th Percentile

$1,111

Median

$1,575

90th Percentile

$2,858

Score Distribution

593 diamonds scored across 4 quality tiers

Excellent

85 (14.3%)

Very Good

126 (21.2%)

Good

103 (17.4%)

Average

279 (47.0%)

Find Your Diamond

Search 208 J 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.

J SI2SI2 inclusions are not visible without magnification

Save 8%

Lab-Grown J SI1Same specifications, lab-grown origin

Save 33%

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