How much does a 1.50 to 1.99ct G VS1 lab grown heart diamond cost?

As of October 2026, 1.50 to 1.99ct G VS1 lab grown heart diamonds typically cost $460 NZD to $2,363 NZD, with a median price of $1,107 NZD. There are currently 150 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 99%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct G VS1 Lab Grown Heart

Quick answer

As of October 2026, there are 150 lab grown heart diamonds with G colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $460 NZD to $2,363 NZD, with a median of $1,107 NZD. At least 49 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 99%. Half of all listings fall between $467 NZD and $1,208 NZD per carat. The same specification in natural form lists at a median of about $10,648 NZD per carat. Over the last 30 days the median price moved +6.8% and the number of listings moved +5.0%.

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. 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

150

Lowest Price

$344 NZD

Highest Price

$6,260 NZD

Average Price

$1,336 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

37.7%

Price Spread

99.3%

30-Day Price Trend

+6.8%

30-Day Supply Change

+5.0%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$421/ct

10th Percentile

$177

Median

$421

90th Percentile

$904

Score Distribution

339 diamonds scored across 4 quality tiers

Excellent

113 (33.3%)

Very Good

50 (14.7%)

Good

50 (14.7%)

Average

126 (37.2%)

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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