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 $1,753 NZD to $17,477 NZD, with a median price of $4,569 NZD. There are currently 2,169 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 118%. 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 2,169 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 $1,753 NZD to $17,477 NZD, with a median of $4,569 NZD. At least 52 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 118%. Half of all listings fall between $898 NZD and $2,564 NZD per carat. The same specification in natural form lists at a median of about $88,518 NZD per carat. Over the last 30 days the median price moved -12.5% and the number of listings moved +4.3%.

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

2,169

Lowest Price

$1,320 NZD

Highest Price

$67,108 NZD

Average Price

$7,567 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

42.9%

Price Spread

118.4%

30-Day Price Trend

-12.5%

30-Day Supply Change

+4.3%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$793/ct

10th Percentile

$336

Median

$793

90th Percentile

$2,643

Score Distribution

5.5K diamonds scored across 5 quality tiers

Exceptional

153 (2.8%)

Excellent

2,451 (44.6%)

Very Good

1,479 (26.9%)

Good

1,111 (20.2%)

Average

297 (5.4%)

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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