How much does a 0.75 to 0.99ct E SI1 natural asscher diamond cost?

As of October 2026, 0.75 to 0.99ct E SI1 natural asscher diamonds typically cost $2,177 NZD to $5,526 NZD, with a median price of $3,527 NZD. There are currently 29 diamonds matching this specification available across retailers.

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

About 21% of these diamonds are available at multiple retailers, with an average price spread of 62%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct E SI1 Natural Asscher

Quick answer

As of October 2026, there are 29 natural asscher diamonds with E colour and SI1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $2,177 NZD to $5,526 NZD, with a median of $3,527 NZD. At least 54 retailers stock this exact specification, and 21% of the stones appear at more than one of them, with an average price spread of 62%. Half of all listings fall between $2,920 NZD and $5,424 NZD per carat. The same specification in lab grown form lists at a median of about $797 NZD per carat. Over the last 30 days the median price moved -0.9% and the number of listings moved +1.2%.

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

$1,168 NZD

Highest Price

$10,490 NZD

Average Price

$3,718 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

21.4%

Price Spread

62.4%

30-Day Price Trend

-0.9%

30-Day Supply Change

+1.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,252/ct

10th Percentile

$1,283

Median

$2,252

90th Percentile

$3,677

Score Distribution

142 diamonds scored across 4 quality tiers

Excellent

14 (9.9%)

Very Good

24 (16.9%)

Good

30 (21.1%)

Average

74 (52.1%)

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Consider Instead

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

F SI1F colour is visually identical to E to the naked eye

Save 9%

Lab-Grown E SI1Same specifications, lab-grown origin

Save 80%

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