How much does a 0.20 to 0.49ct I IF natural oval diamond cost?

As of October 2026, 0.20 to 0.49ct I IF natural oval diamonds typically cost £233 GBP to £562 GBP, with a median price of £358 GBP. There are currently 76 diamonds matching this specification available across retailers.

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

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0.20 to 0.49ct I IF Natural Oval

Quick answer

As of October 2026, there are 76 natural oval diamonds with I colour and IF clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run £233 GBP to £562 GBP, with a median of £358 GBP.

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. Oval natural stones in the index: 2,655 USD per carat, +10.2% 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

£160 GBP

Highest Price

£1,464 GBP

Average Price

£387 GBP

Score Distribution

214 diamonds scored across 5 quality tiers

Exceptional

1 (0.5%)

Excellent

56 (26.2%)

Very Good

66 (30.8%)

Good

55 (25.7%)

Average

36 (16.8%)

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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