How much does a 5.00ct+ G VS1 lab grown heart diamond cost?

As of October 2026, 5.00ct+ G VS1 lab grown heart diamonds typically cost $1,584 NZD to $18,328 NZD, with a median price of $3,522 NZD. There are currently 269 diamonds matching this specification available across retailers.

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

About 61% of these diamonds are available at multiple retailers, with an average price spread of 82%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ G VS1 Lab Grown Heart

Quick answer

As of October 2026, there are 269 lab grown heart diamonds with G colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $1,584 NZD to $18,328 NZD, with a median of $3,522 NZD. At least 32 retailers stock this exact specification, and 61% of the stones appear at more than one of them, with an average price spread of 82%. Half of all listings fall between $617 NZD and $1,448 NZD per carat. Over the last 30 days the median price moved -9.5% and the number of listings moved +18.2%.

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. Heart lab grown stones in the index: 421 USD per carat, -1.8% 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

269

Lowest Price

$1,240 NZD

Highest Price

$139,673 NZD

Average Price

$8,258 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

61.5%

Price Spread

82.3%

30-Day Price Trend

-9.5%

30-Day Supply Change

+18.2%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$570/ct

10th Percentile

$258

Median

$570

90th Percentile

$1,081

Score Distribution

433 diamonds scored across 4 quality tiers

Excellent

218 (50.3%)

Very Good

66 (15.2%)

Good

47 (10.9%)

Average

102 (23.6%)

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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