How much does a 1.00 to 1.49ct J VS1 natural cushion diamond cost?

As of November 2026, 1.00 to 1.49ct J VS1 natural cushion diamonds typically cost £941 GBP to £2,773 GBP, with a median price of £1,517 GBP. There are currently 447 diamonds matching this specification available across retailers.

Where can I find the best price on a J VS1 cushion diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 62%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct J VS1 Natural Cushion

Quick answer

As of November 2026, there are 447 natural cushion diamonds with J colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £941 GBP to £2,773 GBP, with a median of £1,517 GBP. At least 56 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 62%. Half of all listings fall between £1,076 GBP and £1,959 GBP per carat. The same specification in lab grown form lists at a median of about £520 GBP per carat. Over the last 30 days the median price moved -0.0% and the number of listings moved +9.8%.

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: November 2026

Available

447

Lowest Price

£685 GBP

Highest Price

£6,070 GBP

Average Price

£1,721 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

33.6%

Price Spread

61.6%

30-Day Price Trend

-0.0%

30-Day Supply Change

+9.8%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,921/ct

10th Percentile

$1,184

Median

$1,921

90th Percentile

$3,386

Score Distribution

1.2K diamonds scored across 4 quality tiers

Excellent

145 (12.4%)

Very Good

220 (18.9%)

Good

371 (31.8%)

Average

431 (36.9%)

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Consider Instead

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

Lab-Grown J VS1Same specifications, lab-grown origin

Save 64%

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