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 $637 AUD

$448 USD

As of October 25, 2026

Save $2,619 AUD (80%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $3,256 AUD 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 23, 2026, with prices from $637 to $3,256, a $2,619 spread on the same certified stone. Do Amore Diamonds lists it at $3,256. 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

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

Price History

Last verified: Oct 25

Current: $3,256 AUD|Low: $367 AUD|High: $3,441 AUD|Avg: $1,306 AUD|-5.4%

Do Amore Diamonds

Retailer 2

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October 25, 2026

Retailer 5$367 AUD

Retailer 13$410 AUD

Retailer 16$455 AUD

Retailer 17$587 AUD

Retailer 10$637 AUD

Retailer 2$802 AUD

Retailer 11$849 AUD

Retailer 3$871 AUD

Retailer 6$1,249 AUD

Retailer 8$1,479 AUD

Retailer 15$1,614 AUD

Retailer 9$1,698 AUD

Retailer 4$1,790 AUD

Retailer 14$1,851 AUD

Retailer 12$1,957 AUD

Retailer 7$2,140 AUD

Do Amore Diamonds$3,256 AUD

39 data points across 17 retailers

18 retailers$637 AUD to $3,256 AUD

Retailer 1

$367 AUD

$258 USD

Price last confirmed 7 days ago

Retailer 2

$451 AUD

$317 USD

View

Price last confirmed 8 days ago

Retailer 3

$455 AUD

$320 USD

View

Price last confirmed 7 days ago

Retailer 4

$481 AUD

$338 USD

View

Price last confirmed 13 days ago

Retailer 5

$587 AUD

£325 GBP

View

Price last confirmed 7 days ago

B+

Retailer 6

$637 AUD

$448 USD

View

Retailer 7

$802 AUD

$564 USD

View

Retailer 8

$849 AUD

ZAR 9,651 ZAR

View

Retailer 9

$871 AUD

£483 GBP

View

Price last confirmed 7 days ago

B+

Retailer 10

$1,249 AUD

View

Price last confirmed 10 days ago

Retailer 11

$1,479 AUD

$1,040 USD

View

Price last confirmed 7 days ago

B+

Retailer 12

$1,614 AUD

$1,135 USD

View

Price last confirmed 7 days ago

Retailer 13

$1,698 AUD

View

Price last confirmed 21 days ago

Retailer 14

$1,790 AUD

$1,259 USD

View

Price last confirmed 7 days ago

Retailer 15

$1,851 AUD

$1,302 USD

View

Retailer 16

$1,957 AUD

$1,377 USD

View

Retailer 17

$2,140 AUD

£1,185 GBP

View

Price last confirmed 8 days ago

Most Expensive

Do Amore Diamonds

27-B175BE30F · Oct 23

$3,256 AUD

$2,290 USD

View

17 more retailers have this diamond

Prices start from $637 AUDSave up to $2,619 AUD

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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1.81ct Heart

$637 AUD