How much does a 3.00 to 4.99ct D IF lab grown round diamond cost?

As of October 2026, 3.00 to 4.99ct D IF lab grown round diamonds typically cost $1,759 NZD to $17,470 NZD, with a median price of $4,590 NZD. There are currently 2,164 diamonds matching this specification available across retailers.

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

About 43% of these diamonds are available at multiple retailers, with an average price spread of 120%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct D IF Lab Grown Round

Quick answer

As of October 2026, there are 2,164 lab grown round diamonds with D colour and IF clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $1,759 NZD to $17,470 NZD, with a median of $4,590 NZD. At least 51 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 120%. Half of all listings fall between $901 NZD and $2,592 NZD per carat. The same specification in natural form lists at a median of about $89,050 NZD per carat. Over the last 30 days the median price moved -12.1% and the number of listings moved +3.9%.

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. 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

2,164

Lowest Price

$1,325 NZD

Highest Price

$68,745 NZD

Average Price

$7,596 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

42.8%

Price Spread

119.8%

30-Day Price Trend

-12.1%

30-Day Supply Change

+3.9%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$793/ct

10th Percentile

$335

Median

$793

90th Percentile

$2,624

Score Distribution

5.5K diamonds scored across 5 quality tiers

Exceptional

144 (2.6%)

Excellent

2,458 (44.8%)

Very Good

1,481 (27.0%)

Good

1,102 (20.1%)

Average

304 (5.5%)

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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