How much does a 0.20 to 0.49ct D SI2 natural emerald diamond cost?

As of November 6, 2026, 0.20 to 0.49ct D SI2 natural emerald diamonds typically cost $371 AUD to $1,172 AUD, with a median price of $608 AUD. There are currently 332 diamonds matching this specification available across retailers.

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

About 27% of these diamonds are available at multiple retailers, with an average price spread of 57%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct D SI2 Natural Emerald

Quick answer

As of November 6, 2026, there are 332 natural emerald diamonds with D colour and SI2 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $371 AUD to $1,172 AUD, with a median of $608 AUD. Half of all listings fall between $1,279 AUD and $2,259 AUD per carat. The same specification in lab grown form lists at a median of about $1,035 AUD per carat. Over the last 30 days the median price moved +3.5% and the number of listings moved +11.0%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Emerald natural stones in the index: 2,109 USD per carat, -8.1% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

332

Lowest Price

$199 AUD

Highest Price

$2,188 AUD

Average Price

$695 AUD

Market Intelligence

Cross Retailer %

27.4%

Price Spread

56.5%

30-Day Price Trend

+3.5%

30-Day Supply Change

+11.0%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,214/ct

10th Percentile

$782

Median

$1,214

90th Percentile

$2,119

Score Distribution

332 diamonds scored across 4 quality tiers

Excellent

47 (14.2%)

Very Good

71 (21.4%)

Good

43 (13.0%)

Average

171 (51.5%)

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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