How much does a 0.50 to 0.74ct J VS1 natural marquise diamond cost?

As of October 2026, 0.50 to 0.74ct J VS1 natural marquise diamonds typically cost £394 GBP to £1,078 GBP, with a median price of £597 GBP. There are currently 155 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 49%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct J VS1 Natural Marquise

Quick answer

As of October 2026, there are 155 natural marquise diamonds with J colour and VS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run £394 GBP to £1,078 GBP, with a median of £597 GBP. At least 54 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 49%. Half of all listings fall between £848 GBP and £1,357 GBP per carat. The same specification in lab grown form lists at a median of about £401 GBP per carat. Over the last 30 days the median price moved -0.5% and the number of listings moved +8.1%.

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. Marquise natural stones in the index: 2,268 USD per carat, +10.8% 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

155

Lowest Price

£225 GBP

Highest Price

£1,941 GBP

Average Price

£668 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

39.2%

Price Spread

48.7%

30-Day Price Trend

-0.5%

30-Day Supply Change

+8.1%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,399/ct

10th Percentile

$924

Median

$1,399

90th Percentile

$2,487

Score Distribution

386 diamonds scored across 4 quality tiers

Excellent

54 (14.0%)

Very Good

86 (22.3%)

Good

92 (23.8%)

Average

154 (39.9%)

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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 62%

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