How much does a 1.50 to 1.99ct D IF lab grown heart diamond cost?

As of October 2026, 1.50 to 1.99ct D IF lab grown heart diamonds typically cost $653 NZD to $4,944 NZD, with a median price of $1,595 NZD. There are currently 160 diamonds matching this specification available across retailers.

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

About 46% of these diamonds are available at multiple retailers, with an average price spread of 103%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D IF Lab Grown Heart

Quick answer

As of October 2026, there are 160 lab grown heart diamonds with D colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $653 NZD to $4,944 NZD, with a median of $1,595 NZD. At least 48 retailers stock this exact specification, and 46% of the stones appear at more than one of them, with an average price spread of 103%. Half of all listings fall between $735 NZD and $2,056 NZD per carat. The same specification in natural form lists at a median of about $14,763 NZD per carat. Over the last 30 days the median price moved -13.0% and the number of listings moved +50.8%.

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

160

Lowest Price

$504 NZD

Highest Price

$12,154 NZD

Average Price

$2,236 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

46.0%

Price Spread

103.0%

30-Day Price Trend

-13.0%

30-Day Supply Change

+50.8%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$722/ct

10th Percentile

$271

Median

$722

90th Percentile

$2,086

Score Distribution

376 diamonds scored across 5 quality tiers

Exceptional

16 (4.3%)

Excellent

137 (36.4%)

Very Good

120 (31.9%)

Good

43 (11.4%)

Average

60 (16.0%)

Find Your Diamond

Search 160 D IF heart diamonds and compare prices.

Search Diamonds

Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

D VVS1VVS1 inclusions are not visible without magnification

Save 39%

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