How much does a 0.50 to 0.74ct I SI2 natural emerald diamond cost?

As of November 2026, 0.50 to 0.74ct I SI2 natural emerald diamonds typically cost €318 EUR to €720 EUR, with a median price of €500 EUR. There are currently 133 diamonds matching this specification available across retailers.

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

About 27% of these diamonds are available at multiple retailers, with an average price spread of 32%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I SI2 Natural Emerald

Quick answer

As of November 2026, there are 133 natural emerald diamonds with I color and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €318 EUR to €720 EUR, with a median of €500 EUR. At least 48 retailers stock this exact specification, and 27% of the stones appear at more than one of them, with an average price spread of 32%. Half of all listings fall between €743 EUR and €1,038 EUR per carat. The same specification in lab grown form lists at a median of about €580 EUR per carat. Over the last 30 days the median price moved +2.8% and the number of listings moved +9.3%.

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

133

Lowest Price

€258 EUR

Highest Price

€1,473 EUR

Average Price

€516 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

27.5%

Price Spread

32.5%

30-Day Price Trend

+2.8%

30-Day Supply Change

+9.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,013/ct

10th Percentile

$731

Median

$1,013

90th Percentile

$1,456

Score Distribution

397 diamonds scored across 4 quality tiers

Excellent

24 (6.0%)

Very Good

161 (40.6%)

Good

56 (14.1%)

Average

156 (39.3%)

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Consider Instead

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

Lab-Grown I SI2Same 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