How much does a 0.50 to 0.74ct D SI1 natural emerald diamond cost?

As of October 2026, 0.50 to 0.74ct D SI1 natural emerald diamonds typically cost $796 AUD to $2,125 AUD, with a median price of $1,243 AUD. There are currently 650 diamonds matching this specification available across retailers.

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

About 32% of these diamonds are available at multiple retailers, with an average price spread of 38%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct D SI1 Natural Emerald

Quick answer

As of October 2026, there are 650 natural emerald diamonds with D colour and SI1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $796 AUD to $2,125 AUD, with a median of $1,243 AUD. At least 59 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 38%. Half of all listings fall between $1,720 AUD and $2,499 AUD per carat. The same specification in lab grown form lists at a median of about $728 AUD per carat. Over the last 30 days the median price moved -0.1% and the number of listings moved +8.0%.

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

650

Lowest Price

$562 AUD

Highest Price

$3,736 AUD

Average Price

$1,388 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

32.1%

Price Spread

38.4%

30-Day Price Trend

-0.1%

30-Day Supply Change

+8.0%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,427/ct

10th Percentile

$1,056

Median

$1,427

90th Percentile

$2,431

Score Distribution

1.6K diamonds scored across 4 quality tiers

Excellent

230 (14.2%)

Very Good

456 (28.2%)

Good

303 (18.7%)

Average

629 (38.9%)

Find Your Diamond

Search 650 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.

D SI2SI2 inclusions are not visible without magnification

Save 12%

Lab-Grown D SI1Same specifications, lab-grown origin

Save 64%

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