How much does a 3.00 to 4.99ct G VS1 lab grown radiant diamond cost?

As of October 2026, 3.00 to 4.99ct G VS1 lab grown radiant diamonds typically cost $1,021 NZD to $7,241 NZD, with a median price of $2,462 NZD. There are currently 1,940 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS1 radiant diamond?

About 39% of these diamonds are available at multiple retailers, with an average price spread of 89%. A comparison tool like Carat Hunter lets you see all the prices side by side.

3.00 to 4.99ct G VS1 Lab Grown Radiant

Quick answer

As of October 2026, there are 1,940 lab grown radiant diamonds with G colour and VS1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $1,021 NZD to $7,241 NZD, with a median of $2,462 NZD. At least 56 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 89%. Half of all listings fall between $511 NZD and $1,262 NZD per carat. The same specification in natural form lists at a median of about $35,650 NZD per carat. Over the last 30 days the median price moved +14.8% and the number of listings moved +5.7%.

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

1,940

Lowest Price

$545 NZD

Highest Price

$17,477 NZD

Average Price

$3,208 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

39.2%

Price Spread

89.0%

30-Day Price Trend

+14.8%

30-Day Supply Change

+5.7%

Volatility (30d)

0.06

Price Range

Price per carat distribution across retailers

$476/ct

10th Percentile

$192

Median

$476

90th Percentile

$992

Score Distribution

2.8K diamonds scored across 4 quality tiers

Excellent

593 (21.3%)

Very Good

1,094 (39.3%)

Good

607 (21.8%)

Average

493 (17.7%)

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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