How much does a 0.75 to 0.99ct D IF lab grown round diamond cost?

As of October 2026, 0.75 to 0.99ct D IF lab grown round diamonds typically cost $313 NZD to $2,215 NZD, with a median price of $719 NZD. There are currently 481 diamonds matching this specification available across retailers.

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

About 42% of these diamonds are available at multiple retailers, with an average price spread of 110%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct D IF Lab Grown Round

Quick answer

As of October 2026, there are 481 lab grown round diamonds with D colour and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run $313 NZD to $2,215 NZD, with a median of $719 NZD. At least 47 retailers stock this exact specification, and 42% of the stones appear at more than one of them, with an average price spread of 110%. Half of all listings fall between $616 NZD and $1,608 NZD per carat. The same specification in natural form lists at a median of about $10,058 NZD per carat. Over the last 30 days the median price moved -6.8% and the number of listings moved +21.0%.

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. Round lab grown stones in the index: 414 USD per carat, -5.0% 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

481

Lowest Price

$273 NZD

Highest Price

$4,986 NZD

Average Price

$978 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

42.5%

Price Spread

109.7%

30-Day Price Trend

-6.8%

30-Day Supply Change

+21.0%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$508/ct

10th Percentile

$211

Median

$508

90th Percentile

$1,310

Score Distribution

1.1K diamonds scored across 5 quality tiers

Exceptional

7 (0.6%)

Excellent

449 (41.4%)

Very Good

332 (30.6%)

Good

177 (16.3%)

Average

119 (11.0%)

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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