How much does a 3.00 to 4.99ct J SI2 natural asscher diamond cost?

As of October 2026, 3.00 to 4.99ct J SI2 natural asscher diamonds typically cost $26,869 NZD to $67,115 NZD, with a median price of $44,584 NZD. There are currently 7 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 20%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct J SI2 Natural Asscher

Quick answer

As of October 2026, there are 7 natural asscher diamonds with J colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $26,869 NZD to $67,115 NZD, with a median of $44,584 NZD. At least 19 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 20%. Half of all listings fall between $9,006 NZD and $10,931 NZD per carat. Over the last 30 days the median price moved -8.2% and the number of listings moved +14.7%.

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. Asscher natural stones in the index: 2,504 USD per carat, -3.3% 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

$21,188 NZD

Highest Price

$80,511 NZD

Average Price

$44,624 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

38.5%

Price Spread

20.1%

30-Day Price Trend

-8.2%

30-Day Supply Change

+14.7%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$5,391/ct

10th Percentile

$4,602

Median

$5,391

90th Percentile

$6,340

Score Distribution

14 diamonds scored across 4 quality tiers

Excellent

3 (21.4%)

Very Good

5 (35.7%)

Good

3 (21.4%)

Average

3 (21.4%)

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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