How much does a 1.00 to 1.49ct I IF natural oval diamond cost?

As of September 2026, 1.00 to 1.49ct I IF natural oval diamonds typically cost $4,010 NZD to $9,333 NZD, with a median price of $5,669 NZD. There are currently 382 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct I IF Natural Oval

Quick answer

As of September 2026, there are 382 natural oval diamonds with I colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $4,010 NZD to $9,333 NZD, with a median of $5,669 NZD. At least 53 retailers stock this exact specification. Half of all listings fall between $5,056 NZD and $6,931 NZD per carat. The same specification in lab grown form lists at a median of about $5,818 NZD 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

382

Lowest Price

$2,555 NZD

Highest Price

$25,545 NZD

Average Price

$6,310 NZD

Market Intelligence

Retailers Selling

Price Spread

31.8%

Price Range

Price per carat distribution across retailers

$3,392/ct

10th Percentile

$2,505

Median

$3,392

90th Percentile

$4,601

Score Distribution

382 diamonds scored across 4 quality tiers

Excellent

111 (29.1%)

Very Good

138 (36.1%)

Good

85 (22.3%)

Average

48 (12.6%)

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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

Save 29%

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