Heart|Lab Grown|IGI

1.89ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG600306972

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG600306972

Diamond specifications and retailer prices

From $744 NZD

$418 USD

As of October 30, 2026

Save $8,034 NZD (92%) vs most expensive(unlock to see where)

31 retailers carry this diamond

Most expensive: $8,778 NZD at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 1.89ct lab-grown heart diamond

This 1.89ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG600306972 or 600306972. Listed at 31 retailers as of October 28, 2026, with prices from $744 to $8,778, a $8,034 spread on the same certified stone. Brilliant Earth lists it at $8,778. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89

Carat

Colour

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle37.7°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG600306972

Dimensions8.62 × 7.32 × 5.14 mm

L/W Ratio1.18

Girdle conditionFaceted

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG600306972

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30

Current: $8,778 NZD|Low: $744 NZD|High: $10,014 NZD|Avg: $3,381 NZD

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

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Retailer 11

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Retailer 14

Retailer 15

Retailer 16

Retailer 17

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Retailer 20

Retailer 21

October 30, 2026

Retailer 4$744 NZD

Retailer 17$915 NZD

Retailer 18$1,184 NZD

Retailer 11$1,299 NZD

Retailer 9$1,378 NZD

Retailer 21$1,433 NZD

Retailer 2$1,687 NZD

Retailer 16$1,749 NZD

Retailer 5$2,183 NZD

Retailer 10$2,369 NZD

Retailer 13$2,370 NZD

Retailer 20$2,587 NZD

Retailer 6$3,345 NZD

Retailer 7$3,451 NZD

Retailer 12$3,535 NZD

Retailer 14$3,748 NZD

Retailer 15$3,760 NZD

Retailer 19$3,921 NZD

Retailer 3$5,831 NZD

Retailer 8$6,606 NZD

Brilliant Earth$8,778 NZD

39 data points across 21 retailers

31 retailers$744 NZD to $8,778 NZD

Cheapest Retailer

$744 NZD

$418 USD

Retailer 2

$744 NZD

$418 USD

View

Price last confirmed 21 days ago

Retailer 3

$744 NZD

$418 USD

View

Price last confirmed 18 days ago

Retailer 4

$915 NZD

$514 USD

View

Final sale: no returns

Retailer 5

$922 NZD

$518 USD

View

Price last confirmed 19 days ago

Retailer 6

$922 NZD

$518 USD

View

Price last confirmed 27 days ago

Retailer 7

$1,184 NZD

$665 USD

View

Retailer 8

$1,299 NZD

HK$5,700 HKD

View

Retailer 9

$1,378 NZD

$774 USD

View

Retailer 10

$1,433 NZD

$805 USD

View

Retailer 11

$1,687 NZD

£746 GBP

View

Retailer 12

$1,749 NZD

ZAR 15,873 ZAR

View

Retailer 13

$2,135 NZD

$1,199 USD

View

Price last confirmed 30 days ago

Retailer 14

$2,183 NZD

$1,226 USD

View

Retailer 15

$2,322 NZD

$1,304 USD

View

Price last confirmed 31 days ago

Retailer 16

$2,369 NZD

$1,331 USD

View

Retailer 17

$2,370 NZD

A$2,048 AUD

View

Retailer 18

$2,441 NZD

$1,371 USD

View

Price last confirmed 32 days ago

B+

Retailer 19

$2,587 NZD

$1,453 USD

View

B+

Retailer 20

$3,273 NZD

$1,838 USD

View

Retailer 21

$3,273 NZD

$1,838 USD

View

Price last confirmed 19 days ago

B+

Retailer 22

$3,345 NZD

$1,879 USD

View

B+

Retailer 23

$3,451 NZD

$1,938 USD

View

B+

Retailer 24

$3,535 NZD

$1,985 USD

View

B+

Retailer 25

$3,748 NZD

SGD 2,845 SGD

View

B+

Retailer 26

$3,760 NZD

£1,663 GBP

View

B+

Retailer 27

$3,921 NZD

A$3,388 AUD

View

Retailer 28

$5,122 NZD

$2,877 USD

View

Price last confirmed 29 days ago

Retailer 29

$5,831 NZD

A$5,038 AUD

View

Price last confirmed 21 days ago

Retailer 30

$6,606 NZD

$3,710 USD

View

Most Expensive

Brilliant Earth

8402423Y · Oct 28

$8,778 NZD

$4,930 USD

View

30 more retailers have this diamond

Prices start from $744 NZDSave up to $8,034 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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1.89ct Heart

$744 NZD