How much does a 1.50 to 1.99ct F SI1 natural asscher diamond cost?

As of October 2026, 1.50 to 1.99ct F SI1 natural asscher diamonds typically cost $8,846 NZD to $25,928 NZD, with a median price of $17,078 NZD. There are currently 65 diamonds matching this specification available across retailers.

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

About 23% of these diamonds are available at multiple retailers, with an average price spread of 56%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct F SI1 Natural Asscher

Quick answer

As of October 2026, there are 65 natural asscher diamonds with F colour and SI1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $8,846 NZD to $25,928 NZD, with a median of $17,078 NZD. At least 55 retailers stock this exact specification, and 23% of the stones appear at more than one of them, with an average price spread of 56%. Half of all listings fall between $6,593 NZD and $11,572 NZD per carat. The same specification in lab grown form lists at a median of about $775 NZD per carat. Over the last 30 days the median price moved +0.0% and the number of listings moved +3.3%.

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

$6,069 NZD

Highest Price

$42,183 NZD

Average Price

$17,424 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

22.9%

Price Spread

56.1%

30-Day Price Trend

+0.0%

30-Day Supply Change

+3.3%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$5,005/ct

10th Percentile

$2,985

Median

$5,005

90th Percentile

$7,875

Score Distribution

239 diamonds scored across 4 quality tiers

Excellent

21 (8.8%)

Very Good

36 (15.1%)

Good

42 (17.6%)

Average

140 (58.6%)

Find Your Diamond

Search 65 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.

Lab-Grown F SI1Same specifications, lab-grown origin

Save 91%

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