How much does a 3.00 to 4.99ct G IF lab grown oval diamond cost?

As of October 2026, 3.00 to 4.99ct G IF lab grown oval diamonds typically cost $1,368 AUD to $29,399 AUD, with a median price of $5,703 AUD. There are currently 26 diamonds matching this specification available across retailers.

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

About 46% of these diamonds are available at multiple retailers, with an average price spread of 104%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G IF Lab Grown Oval

Quick answer

As of October 2026, there are 26 lab grown oval diamonds with G colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $1,368 AUD to $29,399 AUD, with a median of $5,703 AUD. At least 41 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 104%. Half of all listings fall between $656 AUD and $1,966 AUD per carat. The same specification in natural form lists at a median of about $35,875 AUD per carat. Over the last 30 days the median price moved -6.0% and the number of listings moved +18.9%.

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 lab grown stones in the index: 453 USD per carat, -7.4% 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

$860 AUD

Highest Price

$37,264 AUD

Average Price

$10,679 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

46.4%

Price Spread

104.3%

30-Day Price Trend

-6.0%

30-Day Supply Change

+18.9%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$883/ct

10th Percentile

$348

Median

$883

90th Percentile

$2,445

Score Distribution

78 diamonds scored across 4 quality tiers

Excellent

24 (30.8%)

Very Good

15 (19.2%)

Good

12 (15.4%)

Average

27 (34.6%)

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H IFH colour is visually identical to G 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