How much does a 1.00 to 1.49ct J FL natural cushion diamond cost?

As of October 2026, 1.00 to 1.49ct J FL natural cushion diamonds typically cost £1,464 GBP to £1,689 GBP, with a median price of £1,594 GBP. There are currently 0 diamonds matching this specification available across retailers.

Where can I find the best price on a J FL cushion diamond?

About 8% of these diamonds are available at multiple retailers, with an average price spread of 47%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct J FL Natural Cushion

Quick answer

As of October 2026, there are 0 natural cushion diamonds with J colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £1,464 GBP to £1,689 GBP, with a median of £1,594 GBP. At least 9 retailers stock this exact specification, and 8% of the stones appear at more than one of them, with an average price spread of 47%. Half of all listings fall between £918 GBP and £1,512 GBP per carat. Over the last 30 days the median price moved -3.0% and the number of listings moved +13.2%.

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. Cushion natural stones in the index: 2,948 USD per carat, +1.7% 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

£1,432 GBP

Highest Price

£1,713 GBP

Average Price

£1,580 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

7.7%

Price Spread

47.2%

30-Day Price Trend

-3.0%

30-Day Supply Change

+13.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,675/ct

10th Percentile

$1,123

Median

$1,675

90th Percentile

$2,217

Score Distribution

4 diamonds scored across 1 quality tiers

Good

4 (100.0%)

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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