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

As of October 2026, 1.50 to 1.99ct J SI2 natural asscher diamonds typically cost $5,859 NZD to $13,424 NZD, with a median price of $8,872 NZD. There are currently 29 diamonds matching this specification available across retailers.

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

About 30% of these diamonds are available at multiple retailers, with an average price spread of 40%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct J SI2 Natural Asscher

Quick answer

As of October 2026, there are 29 natural asscher diamonds with J colour and SI2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $5,859 NZD to $13,424 NZD, with a median of $8,872 NZD. At least 38 retailers stock this exact specification, and 30% of the stones appear at more than one of them, with an average price spread of 40%. Half of all listings fall between $4,293 NZD and $6,395 NZD per carat. Over the last 30 days the median price moved -0.6% and the number of listings moved +3.8%.

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

$3,841 NZD

Highest Price

$19,941 NZD

Average Price

$9,312 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

30.3%

Price Spread

40.1%

30-Day Price Trend

-0.6%

30-Day Supply Change

+3.8%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,952/ct

10th Percentile

$1,844

Median

$2,952

90th Percentile

$4,269

Score Distribution

137 diamonds scored across 4 quality tiers

Excellent

7 (5.1%)

Very Good

15 (10.9%)

Good

13 (9.5%)

Average

102 (74.5%)

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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