Heart|Lab Grown|IGI

1.81ct E VS1 Heart Lab Grown Diamond

EX • E/VS1 • IGI LG720503431

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG720503431

Diamond specifications and retailer prices

From $795 NZD

$448 USD

As of October 25, 2026

Save $206 NZD (21%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $4,063 NZD at Do Amore Diamonds · As of October 23, 2026

View at Do Amore Diamonds

About this 1.81ct lab-grown heart diamond

This 1.81ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG720503431 or 720503431. Listed at 18 retailers as of October 25, 2026, with a 26% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.7°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG720503431

Dimensions8.36 × 8.36 × 7.96 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG720503431

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 25

Current: $4,063 NZD|Low: $458 NZD|High: $4,294 NZD|Avg: $1,634 NZD|-5.4%

Do Amore Diamonds

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

Retailer 16

Retailer 17

October 25, 2026

Retailer 5$458 NZD

Retailer 13$511 NZD

Retailer 16$568 NZD

Retailer 17$732 NZD

Retailer 10$795 NZD

Retailer 2$1,001 NZD

Retailer 11$1,060 NZD

Retailer 3$1,087 NZD

Retailer 6$1,558 NZD

Retailer 8$1,845 NZD

Retailer 15$2,014 NZD

Retailer 9$2,119 NZD

Retailer 4$2,234 NZD

Retailer 14$2,309 NZD

Retailer 12$2,443 NZD

Retailer 7$2,670 NZD

Do Amore Diamonds$4,063 NZD

38 data points across 17 retailers

18 retailers$795 NZD to $1,001 NZD

Retailer 1

$458 NZD

$258 USD

Price last confirmed 9 days ago

Retailer 2

$562 NZD

$317 USD

View

Price last confirmed 9 days ago

Retailer 3

$568 NZD

$320 USD

View

Price last confirmed 8 days ago

Retailer 4

$600 NZD

$338 USD

View

Price last confirmed 14 days ago

Retailer 5

$732 NZD

£325 GBP

View

Price last confirmed 8 days ago

B+

Retailer 6

$795 NZD

$448 USD

View

Retailer 7

$1,001 NZD

$564 USD

View

Retailer 8

$1,060 NZD

ZAR 9,651 ZAR

View

Price last confirmed 7 days ago

Retailer 9

$1,087 NZD

£483 GBP

View

Price last confirmed 8 days ago

Retailer 10

$1,558 NZD

A$1,351 AUD

View

Price last confirmed 11 days ago

Retailer 11

$1,845 NZD

$1,040 USD

View

Price last confirmed 8 days ago

Retailer 12

$2,014 NZD

$1,135 USD

View

Price last confirmed 8 days ago

Retailer 13

$2,119 NZD

A$1,837 AUD

View

Price last confirmed 22 days ago

Retailer 14

$2,234 NZD

$1,259 USD

View

Price last confirmed 8 days ago

Retailer 15

$2,309 NZD

$1,302 USD

View

Price last confirmed 7 days ago

Retailer 16

$2,443 NZD

$1,377 USD

View

Price last confirmed 7 days ago

Retailer 17

$2,670 NZD

£1,185 GBP

View

Price last confirmed 9 days ago

Most Expensive

Do Amore Diamonds

27-B175BE30F · Oct 23

$4,063 NZD

$2,290 USD

View

Price last confirmed 7 days ago

17 more retailers have this diamond

Prices start from $795 NZDSave up to $206 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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