How much does a 0.50 to 0.74ct J SI2 natural emerald diamond cost?

As of October 2026, 0.50 to 0.74ct J SI2 natural emerald diamonds typically cost $636 NZD to $1,585 NZD, with a median price of $1,088 NZD. There are currently 64 diamonds matching this specification available across retailers.

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

About 31% of these diamonds are available at multiple retailers, with an average price spread of 47%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct J SI2 Natural Emerald

Quick answer

As of October 2026, there are 64 natural emerald diamonds with J colour and SI2 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $636 NZD to $1,585 NZD, with a median of $1,088 NZD. At least 41 retailers stock this exact specification, and 31% of the stones appear at more than one of them, with an average price spread of 47%. Half of all listings fall between $1,524 NZD and $2,394 NZD per carat. The same specification in lab grown form lists at a median of about $1,195 NZD per carat. Over the last 30 days the median price moved -1.9% and the number of listings moved -1.1%.

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

$484 NZD

Highest Price

$3,442 NZD

Average Price

$1,141 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

30.9%

Price Spread

47.2%

30-Day Price Trend

-1.9%

30-Day Supply Change

-1.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,035/ct

10th Percentile

$717

Median

$1,035

90th Percentile

$1,814

Score Distribution

205 diamonds scored across 4 quality tiers

Excellent

15 (7.3%)

Very Good

42 (20.5%)

Good

37 (18.0%)

Average

111 (54.1%)

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Consider Instead

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

Lab-Grown J SI2Same specifications, lab-grown origin

Save 35%

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