How much does a 0.75 to 0.99ct H SI2 natural emerald diamond cost?

As of October 2026, 0.75 to 0.99ct H SI2 natural emerald diamonds typically cost $1,134 AUD to $3,336 AUD, with a median price of $1,771 AUD. There are currently 99 diamonds matching this specification available across retailers.

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

About 29% 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.

0.75 to 0.99ct H SI2 Natural Emerald

Quick answer

As of October 2026, there are 99 natural emerald diamonds with H colour and SI2 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $1,134 AUD to $3,336 AUD, with a median of $1,771 AUD. At least 47 retailers stock this exact specification, and 29% of the stones appear at more than one of them, with an average price spread of 50%. Half of all listings fall between $1,610 AUD and $2,585 AUD per carat. The same specification in lab grown form lists at a median of about $1,198 AUD per carat. Over the last 30 days the median price moved -2.1% and the number of listings moved +5.9%.

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

Lowest Price

$729 AUD

Highest Price

$5,537 AUD

Average Price

$2,057 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

29.3%

Price Spread

50.0%

30-Day Price Trend

-2.1%

30-Day Supply Change

+5.9%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,370/ct

10th Percentile

$953

Median

$1,370

90th Percentile

$2,822

Score Distribution

331 diamonds scored across 4 quality tiers

Excellent

50 (15.1%)

Very Good

54 (16.3%)

Good

61 (18.4%)

Average

166 (50.2%)

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Consider Instead

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

Lab-Grown H SI2Same specifications, lab-grown origin

Save 39%

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