How much does a 1.00 to 1.49ct J IF natural asscher diamond cost?

As of October 2026, 1.00 to 1.49ct J IF natural asscher diamonds typically cost £1,130 GBP to £3,255 GBP, with a median price of £1,643 GBP. There are currently 40 diamonds matching this specification available across retailers.

Where can I find the best price on a J IF asscher diamond?

About 41% of these diamonds are available at multiple retailers, with an average price spread of 64%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct J IF Natural Asscher

Quick answer

As of October 2026, there are 40 natural asscher diamonds with J colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £1,130 GBP to £3,255 GBP, with a median of £1,643 GBP. At least 45 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 64%. Half of all listings fall between £1,357 GBP and £2,431 GBP per carat. Over the last 30 days the median price moved -0.7% and the number of listings moved +14.5%.

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

£895 GBP

Highest Price

£6,266 GBP

Average Price

£1,948 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

41.3%

Price Spread

63.8%

30-Day Price Trend

-0.7%

30-Day Supply Change

+14.5%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,242/ct

10th Percentile

$1,491

Median

$2,242

90th Percentile

$4,263

Score Distribution

85 diamonds scored across 4 quality tiers

Excellent

23 (27.1%)

Very Good

20 (23.5%)

Good

23 (27.1%)

Average

19 (22.4%)

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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