How much does a 0.50 - 0.74ct I SI2 natural oval diamond cost?

As of April 2026, 0.50 - 0.74ct I SI2 natural oval diamonds are available from £167 GBP to £149,422 GBP, with an average price of £6,061 GBP. There are currently 7,443 diamonds matching this specification available across retailers.

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0.50 - 0.74ct I SI2 Natural Oval

As of April 2026, there are 7,443 natural oval diamonds with I color and SI2 clarity in the 0.50 - 0.74ct range available across retailers worldwide. Prices range from £167 GBP to £149,422 GBP, with an average of £6,061 GBP.

Last updated: April 2026

Available

7,443

Lowest Price

£167 GBP

Highest Price

£149,422 GBP

Average Price

£6,061 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

N/A

Price Spread

43.1%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$1,300/ct

10th Percentile

$910

Median

$1,300

90th Percentile

$2,148

Score Distribution

7.4K diamonds scored across 4 quality tiers

Excellent

1,219 (16.4%)

Very Good

2,925 (39.3%)

Good

2,119 (28.5%)

Average

1,180 (15.9%)

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J SI2J colour is visually identical to I to the naked eye

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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