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

As of October 2026, 0.50 to 0.74ct G IF lab grown oval diamonds typically cost $592 NZD to $1,650 NZD, with a median price of $864 NZD. There are currently 2 diamonds matching this specification available across retailers.

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

About 37% of these diamonds are available at multiple retailers, with an average price spread of 80%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct G IF Lab Grown Oval

Quick answer

As of October 2026, there are 2 lab grown oval diamonds with G colour and IF clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $592 NZD to $1,650 NZD, with a median of $864 NZD. At least 36 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 80%. Half of all listings fall between $922 NZD and $2,137 NZD per carat. The same specification in natural form lists at a median of about $3,774 NZD per carat. Over the last 30 days the median price moved -11.1% and the number of listings moved +26.0%.

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

$568 NZD

Highest Price

$2,083 NZD

Average Price

$1,035 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

36.7%

Price Spread

80.4%

30-Day Price Trend

-11.1%

30-Day Supply Change

+26.0%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$849/ct

10th Percentile

$346

Median

$849

90th Percentile

$1,952

Score Distribution

6 diamonds scored across 4 quality tiers

Excellent

1 (16.7%)

Very Good

1 (16.7%)

Good

1 (16.7%)

Average

3 (50.0%)

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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