How much does a 1.50 to 1.99ct J I1 natural emerald diamond cost?

As of October 2026, 1.50 to 1.99ct J I1 natural emerald diamonds typically cost $3,395 AUD to $8,323 AUD, with a median price of $5,439 AUD. There are currently 6 diamonds matching this specification available across retailers.

Where can I find the best price on a J I1 emerald diamond?

About 43% of these diamonds are available at multiple retailers, with an average price spread of 85%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J I1 Natural Emerald

Quick answer

As of October 2026, there are 6 natural emerald diamonds with J colour and I1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $3,395 AUD to $8,323 AUD, with a median of $5,439 AUD. At least 22 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 85%. Half of all listings fall between $2,283 AUD and $4,855 AUD per carat. Over the last 30 days the median price moved +0.5% and the number of listings moved +9.1%.

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: October 2026

Available

Lowest Price

$3,061 AUD

Highest Price

$11,586 AUD

Average Price

$5,861 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

42.9%

Price Spread

84.6%

30-Day Price Trend

+0.5%

30-Day Supply Change

+9.1%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$2,136/ct

10th Percentile

$1,390

Median

$2,136

90th Percentile

$3,940

Score Distribution

12 diamonds scored across 4 quality tiers

Excellent

1 (8.3%)

Very Good

1 (8.3%)

Good

4 (33.3%)

Average

6 (50.0%)

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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