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 HK$9,549 HKD to HK$24,241 HKD, with a median price of HK$15,511 HKD. 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 22% of these diamonds are available at multiple retailers, with an average price spread of 63%. 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 HK$9,549 HKD to HK$24,241 HKD, with a median of HK$15,511 HKD. At least 54 retailers stock this exact specification, and 22% of the stones appear at more than one of them, with an average price spread of 63%. Half of all listings fall between HK$12,834 HKD and HK$23,888 HKD per carat. The same specification in lab grown form lists at a median of about HK$3,512 HKD per carat. Over the last 30 days the median price moved -1.0% and the number of listings moved +0.1%.

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. 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

HK$5,144 HKD

Highest Price

HK$46,199 HKD

Average Price

HK$16,277 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

21.6%

Price Spread

62.6%

30-Day Price Trend

-1.0%

30-Day Supply Change

+0.1%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,252/ct

10th Percentile

$1,285

Median

$2,252

90th Percentile

$3,689

Score Distribution

136 diamonds scored across 4 quality tiers

Excellent

14 (10.3%)

Very Good

20 (14.7%)

Good

29 (21.3%)

Average

73 (53.7%)

Find Your Diamond

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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

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Lab-Grown E SI1Same specifications, lab-grown origin

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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