How much does a 1.50 to 1.99ct G IF natural oval diamond cost?

As of October 2026, 1.50 to 1.99ct G IF natural oval diamonds typically cost $13,015 AUD to $29,423 AUD, with a median price of $17,810 AUD. There are currently 34 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 34%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G IF Natural Oval

Quick answer

As of October 2026, there are 34 natural oval diamonds with G colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $13,015 AUD to $29,423 AUD, with a median of $17,810 AUD. At least 58 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 34%. Half of all listings fall between $10,666 AUD and $14,997 AUD per carat. The same specification in lab grown form lists at a median of about $966 AUD per carat. Over the last 30 days the median price moved +0.1% and the number of listings moved -1.2%.

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

$10,063 AUD

Highest Price

$40,296 AUD

Average Price

$19,759 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

33.0%

Price Spread

34.3%

30-Day Price Trend

+0.1%

30-Day Supply Change

-1.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$8,885/ct

10th Percentile

$6,412

Median

$8,885

90th Percentile

$12,401

Score Distribution

98 diamonds scored across 5 quality tiers

Exceptional

2 (2.0%)

Excellent

29 (29.6%)

Very Good

24 (24.5%)

Good

22 (22.4%)

Average

21 (21.4%)

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Consider Instead

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

H IFH colour is visually identical to G to the naked eye

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Lab-Grown G 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