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

As of October 2026, 3.00 to 4.99ct F SI1 natural asscher diamonds typically cost HK$195,131 HKD to HK$501,502 HKD, with a median price of HK$326,883 HKD. There are currently 18 diamonds matching this specification available across retailers.

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

About 46% of these diamonds are available at multiple retailers, with an average price spread of 36%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct F SI1 Natural Asscher

Quick answer

As of October 2026, there are 18 natural asscher diamonds with F colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run HK$195,131 HKD to HK$501,502 HKD, with a median of HK$326,883 HKD. At least 39 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 36%. Half of all listings fall between HK$72,248 HKD and HK$103,315 HKD per carat. The same specification in lab grown form lists at a median of about HK$2,990 HKD per carat. Over the last 30 days the median price moved +0.4% and the number of listings moved +16.6%.

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$166,309 HKD

Highest Price

HK$672,786 HKD

Average Price

HK$350,331 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

46.1%

Price Spread

35.9%

30-Day Price Trend

+0.4%

30-Day Supply Change

+16.6%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$11,030/ct

10th Percentile

$8,187

Median

$11,030

90th Percentile

$14,310

Score Distribution

33 diamonds scored across 4 quality tiers

Excellent

4 (12.1%)

Very Good

13 (39.4%)

Good

7 (21.2%)

Average

9 (27.3%)

Find Your Diamond

Search 18 F SI1 asscher diamonds and compare prices.

Search Diamonds

Consider Instead

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

F SI2SI2 inclusions are not visible without magnification

Save 22%

Lab-Grown F SI1Same specifications, lab-grown origin

Save 97%

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