How much does a 0.50 to 0.74ct J IF natural cushion diamond cost?

As of October 2026, 0.50 to 0.74ct J IF natural cushion diamonds typically cost £359 GBP to £888 GBP, with a median price of £523 GBP. There are currently 23 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 38%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct J IF Natural Cushion

Quick answer

As of October 2026, there are 23 natural cushion diamonds with J colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run £359 GBP to £888 GBP, with a median of £523 GBP. At least 36 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 38%. Half of all listings fall between £750 GBP and £1,101 GBP per carat. Over the last 30 days the median price moved -0.3% and the number of listings moved +22.6%.

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. 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

£292 GBP

Highest Price

£1,526 GBP

Average Price

£583 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

33.9%

Price Spread

38.5%

30-Day Price Trend

-0.3%

30-Day Supply Change

+22.6%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$1,215/ct

10th Percentile

$826

Median

$1,215

90th Percentile

$1,860

Score Distribution

69 diamonds scored across 4 quality tiers

Excellent

12 (17.4%)

Very Good

13 (18.8%)

Good

17 (24.6%)

Average

27 (39.1%)

Find Your Diamond

Search 23 J IF cushion diamonds and compare prices.

Search Diamonds

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

Save 6%

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