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

As of October 2026, 1.50 to 1.99ct G IF lab grown oval diamonds typically cost $1,402 NZD to $6,787 NZD, with a median price of $3,806 NZD. There are currently 7 diamonds matching this specification available across retailers.

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

About 39% of these diamonds are available at multiple retailers, with an average price spread of 121%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G IF Lab Grown Oval

Quick answer

As of October 2026, there are 7 lab grown oval diamonds with G colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $1,402 NZD to $6,787 NZD, with a median of $3,806 NZD. At least 44 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 121%. Half of all listings fall between $663 NZD and $2,132 NZD per carat. The same specification in natural form lists at a median of about $15,809 NZD per carat. Over the last 30 days the median price moved -5.2% and the number of listings moved +26.1%.

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

$692 NZD

Highest Price

$11,497 NZD

Average Price

$3,963 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

39.1%

Price Spread

121.0%

30-Day Price Trend

-5.2%

30-Day Supply Change

+26.1%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$684/ct

10th Percentile

$222

Median

$684

90th Percentile

$1,934

Score Distribution

19 diamonds scored across 4 quality tiers

Excellent

3 (15.8%)

Very Good

3 (15.8%)

Good

4 (21.1%)

Average

9 (47.4%)

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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