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

As of September 2026, 1.00 to 1.49ct J IF natural asscher diamonds typically cost £1,267 GBP to £3,414 GBP, with a median price of £1,817 GBP. There are currently 93 diamonds matching this specification available across retailers.

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1.00 to 1.49ct J IF Natural Asscher

Quick answer

As of September 2026, there are 93 natural asscher diamonds with J colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £1,267 GBP to £3,414 GBP, with a median of £1,817 GBP. At least 41 retailers stock this exact specification. Half of all listings fall between £1,394 GBP and £2,099 GBP per carat. The same specification in lab grown form lists at a median of about £971 GBP per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Asscher natural stones in the index: 2,601 USD per carat, +11.1% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

£1,063 GBP

Highest Price

£4,694 GBP

Average Price

£2,093 GBP

Market Intelligence

Retailers Selling

Price Spread

42.4%

Price Range

Price per carat distribution across retailers

$2,108/ct

10th Percentile

$1,610

Median

$2,108

90th Percentile

$4,132

Score Distribution

93 diamonds scored across 4 quality tiers

Excellent

14 (15.1%)

Very Good

22 (23.7%)

Good

34 (36.6%)

Average

23 (24.7%)

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Consider Instead

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

J VVS1VVS1 inclusions are not visible without magnification

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Lab-Grown J IFSame 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