How much does a 0.50 to 0.74ct D IF lab grown oval diamond cost?

As of October 2026, 0.50 to 0.74ct D IF lab grown oval diamonds typically cost $235 AUD to $982 AUD, with a median price of $432 AUD. There are currently 939 diamonds matching this specification available across retailers.

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

About 53% of these diamonds are available at multiple retailers, with an average price spread of 96%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct D IF Lab Grown Oval

Quick answer

As of October 2026, there are 939 lab grown oval diamonds with D colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $235 AUD to $982 AUD, with a median of $432 AUD. At least 46 retailers stock this exact specification, and 53% of the stones appear at more than one of them, with an average price spread of 96%. Half of all listings fall between $592 AUD and $1,641 AUD per carat. The same specification in natural form lists at a median of about $3,771 AUD per carat. Over the last 30 days the median price moved -4.8% and the number of listings moved +22.9%.

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

939

Lowest Price

$176 AUD

Highest Price

$3,427 AUD

Average Price

$553 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

52.9%

Price Spread

96.4%

30-Day Price Trend

-4.8%

30-Day Supply Change

+22.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$765/ct

10th Percentile

$329

Median

$765

90th Percentile

$1,636

Score Distribution

2.0K diamonds scored across 5 quality tiers

Exceptional

79 (4.0%)

Excellent

928 (46.8%)

Very Good

235 (11.9%)

Good

573 (28.9%)

Average

166 (8.4%)

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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