How much does a 0.20 to 0.49ct D SI1 natural emerald diamond cost?

As of November 2026, 0.20 to 0.49ct D SI1 natural emerald diamonds typically cost €262 EUR to €742 EUR, with a median price of €418 EUR. There are currently 510 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 50%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D SI1 Natural Emerald

Quick answer

As of November 2026, there are 510 natural emerald diamonds with D color and SI1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run €262 EUR to €742 EUR, with a median of €418 EUR. At least 21 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 50%. Half of all listings fall between €917 EUR and €1,481 EUR per carat. The same specification in lab grown form lists at a median of about €690 EUR per carat. Over the last 30 days the median price moved -3.0% and the number of listings moved +14.1%.

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

510

Lowest Price

€100 EUR

Highest Price

€1,471 EUR

Average Price

€469 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

36.0%

Price Spread

50.1%

30-Day Price Trend

-3.0%

30-Day Supply Change

+14.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,258/ct

10th Percentile

$935

Median

$1,258

90th Percentile

$2,586

Score Distribution

1.2K diamonds scored across 4 quality tiers

Excellent

133 (10.8%)

Very Good

327 (26.6%)

Good

188 (15.3%)

Average

581 (47.3%)

Find Your Diamond

Search 510 D 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.

Lab-Grown D SI1Same specifications, lab-grown origin

Save 23%

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