How much does a 1.50 to 1.99ct J SI2 natural emerald diamond cost?

As of October 2026, 1.50 to 1.99ct J SI2 natural emerald diamonds typically cost $3,777 AUD to $11,679 AUD, with a median price of $6,467 AUD. There are currently 83 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 65%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J SI2 Natural Emerald

Quick answer

As of October 2026, there are 83 natural emerald diamonds with J colour and SI2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $3,777 AUD to $11,679 AUD, with a median of $6,467 AUD. At least 49 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 65%. Half of all listings fall between $2,714 AUD and $4,982 AUD per carat. Over the last 30 days the median price moved -0.9% and the number of listings moved +18.3%.

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: October 2026

Available

Lowest Price

$2,655 AUD

Highest Price

$16,513 AUD

Average Price

$7,154 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

30.4%

Price Spread

65.1%

30-Day Price Trend

-0.9%

30-Day Supply Change

+18.3%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,449/ct

10th Percentile

$1,533

Median

$2,449

90th Percentile

$4,306

Score Distribution

326 diamonds scored across 4 quality tiers

Excellent

37 (11.3%)

Very Good

51 (15.6%)

Good

37 (11.3%)

Average

201 (61.7%)

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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