How much does a 0.50 to 0.74ct I VVS1 natural marquise diamond cost?

As of November 2026, 0.50 to 0.74ct I VVS1 natural marquise diamonds typically cost £450 GBP to £1,299 GBP, with a median price of £694 GBP. There are currently 166 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 marquise diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 54%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I VVS1 Natural Marquise

Quick answer

As of November 2026, there are 166 natural marquise diamonds with I colour and VVS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run £450 GBP to £1,299 GBP, with a median of £694 GBP. At least 62 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 54%. Half of all listings fall between £1,143 GBP and £1,919 GBP per carat. Over the last 30 days the median price moved -2.2% and the number of listings moved +7.7%.

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: November 2026

Available

166

Lowest Price

£319 GBP

Highest Price

£2,819 GBP

Average Price

£813 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

32.6%

Price Spread

54.2%

30-Day Price Trend

-2.2%

30-Day Supply Change

+7.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,919/ct

10th Percentile

$1,306

Median

$1,919

90th Percentile

$3,424

Score Distribution

419 diamonds scored across 4 quality tiers

Excellent

90 (21.5%)

Very Good

97 (23.2%)

Good

109 (26.0%)

Average

123 (29.4%)

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Consider Instead

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

J VVS1J colour is visually identical to I to the naked eye

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I VVS2VVS2 inclusions are not visible without magnification

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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