How much does a 3.00 to 4.99ct H SI1 natural asscher diamond cost?

As of November 2026, 3.00 to 4.99ct H SI1 natural asscher diamonds typically cost $42,236 NZD to $89,121 NZD, with a median price of $63,057 NZD. There are currently 21 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI1 asscher diamond?

About 51% of these diamonds are available at multiple retailers, with an average price spread of 45%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct H SI1 Natural Asscher

Quick answer

As of November 2026, there are 21 natural asscher diamonds with H colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $42,236 NZD to $89,121 NZD, with a median of $63,057 NZD. At least 44 retailers stock this exact specification, and 51% of the stones appear at more than one of them, with an average price spread of 45%. Half of all listings fall between $13,298 NZD and $20,912 NZD per carat. The same specification in lab grown form lists at a median of about $3,542 NZD per carat. Over the last 30 days the median price moved -4.3% and the number of listings moved +14.8%.

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: November 2026

Available

Lowest Price

$31,015 NZD

Highest Price

$147,356 NZD

Average Price

$65,893 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

50.7%

Price Spread

44.6%

30-Day Price Trend

-4.3%

30-Day Supply Change

+14.8%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$9,630/ct

10th Percentile

$6,375

Median

$9,630

90th Percentile

$13,486

Score Distribution

35 diamonds scored across 4 quality tiers

Excellent

5 (14.3%)

Very Good

10 (28.6%)

Good

9 (25.7%)

Average

11 (31.4%)

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Consider Instead

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

H SI2SI2 inclusions are not visible without magnification

Save 45%

Lab-Grown H SI1Same specifications, lab-grown origin

Save 92%

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