How much does a 3.00 to 4.99ct I IF natural oval diamond cost?

As of September 2026, 3.00 to 4.99ct I IF natural oval diamonds typically cost $26,640 SGD to $97,646 SGD, with a median price of $58,294 SGD. There are currently 49 diamonds matching this specification available across retailers.

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

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3.00 to 4.99ct I IF Natural Oval

Quick answer

As of September 2026, there are 49 natural oval diamonds with I colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $26,640 SGD to $97,646 SGD, with a median of $58,294 SGD. At least 39 retailers stock this exact specification. Half of all listings fall between $12,363 SGD and $22,600 SGD per carat. The same specification in lab grown form lists at a median of about $2,589 SGD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Oval natural stones in the index: 2,380 USD per carat, -9.6% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

$20,556 SGD

Highest Price

$195,979 SGD

Average Price

$61,693 SGD

Market Intelligence

Retailers Selling

Price Spread

56.5%

Price Range

Price per carat distribution across retailers

$13,584/ct

10th Percentile

$8,278

Median

$13,584

90th Percentile

$19,999

Score Distribution

49 diamonds scored across 4 quality tiers

Excellent

15 (30.6%)

Very Good

19 (38.8%)

Good

3 (6.1%)

Average

12 (24.5%)

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Consider Instead

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

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

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Lab-Grown I IFSame specifications, lab-grown origin

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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