Heart|Lab Grown|IGI

1.86ct H VS1 Heart Lab Grown Diamond

EX • H/VS1 • IGI LG537225159

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG537225159

Diamond specifications and retailer prices

From $472 AUD

$331 USD

As of November 2, 2026

Save $1,876 AUD (80%) vs most expensive(unlock to see where)

27 retailers carry this diamond

Most expensive: $2,349 AUD at MOH London · As of November 1, 2026

View at MOH London

About this 1.86ct lab-grown heart diamond

This 1.86ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG537225159 or 537225159. Listed at 27 retailers as of November 1, 2026, with prices from $472 to $2,349, a $1,876 spread on the same certified stone. MOH London lists it at $2,349. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86

Carat

Colour

VS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.1°

Pavilion angle39.7°

OriginLab Grown

Grading LabIGI

CertificateIGI LG537225159

Dimensions7.94 × 8.60 × 4.94 mm

L/W Ratio1.08

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG537225159

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: Nov 2

Current: $2,349 AUD|Low: $377 AUD|High: $2,378 AUD|Avg: $1,286 AUD|-1.1%

MOH London

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

November 2, 2026

Retailer 14$529 AUD

Retailer 9$586 AUD

Retailer 6$639 AUD

Retailer 7$885 AUD

Retailer 11$947 AUD

Retailer 13$972 AUD

Retailer 2$1,011 AUD

Retailer 3$1,062 AUD

Retailer 8$1,375 AUD

Retailer 10$1,719 AUD

Retailer 12$1,875 AUD

Retailer 4$1,947 AUD

Retailer 5$2,301 AUD

MOH London$2,349 AUD

25 data points across 14 retailers

27 retailers$472 AUD to $2,349 AUD

Retailer 1

$454 AUD

$318 USD

Price last confirmed 31 days ago

Retailer 2

$472 AUD

$331 USD

View

Price last confirmed 25 days ago

Retailer 3

$472 AUD

$331 USD

View

Retailer 4

$529 AUD

$371 USD

View

Final sale: no returns

Retailer 5

$548 AUD

$384 USD

View

Price last confirmed 12 days ago

Retailer 6

$578 AUD

$405 USD

View

Price last confirmed 38 days ago

Retailer 7

$586 AUD

$411 USD

View

Price last confirmed 20 days ago

Retailer 8

$586 AUD

$411 USD

View

Price last confirmed 25 days ago

Retailer 9

$586 AUD

$411 USD

View

Price last confirmed 8 days ago

Retailer 10

$586 AUD

$411 USD

View

Price last confirmed 30 days ago

Retailer 11

$586 AUD

$411 USD

View

Price last confirmed 13 days ago

Retailer 12

$586 AUD

$411 USD

View

Price last confirmed 8 days ago

Retailer 13

$639 AUD

HK$3,500 HKD

View

Retailer 14

$885 AUD

$620 USD

View

Retailer 15

$947 AUD

$664 USD

View

Retailer 16

$972 AUD

$681 USD

View

Retailer 17

$1,011 AUD

ZAR 11,443 ZAR

View

B+

Retailer 18

$1,062 AUD

$744 USD

View

Retailer 19

$1,375 AUD

View

Price last confirmed 8 days ago

Retailer 20

$1,719 AUD

$1,205 USD

View

Price last confirmed 7 days ago

Retailer 21

$1,875 AUD

SGD 1,776 SGD

View

Retailer 22

$1,884 AUD

$1,320 USD

View

Price last confirmed 25 days ago

Retailer 23

$1,884 AUD

$1,320 USD

View

Price last confirmed 20 days ago

Retailer 24

$1,884 AUD

$1,320 USD

View

Price last confirmed 8 days ago

Retailer 25

$1,947 AUD

$1,364 USD

View

Retailer 26

$2,301 AUD

$1,612 USD

View

Most Expensive

MOH London

LG537225159 · Nov 1

$2,349 AUD

£1,296 GBP

View

26 more retailers have this diamond

Prices start from $472 AUDSave up to $1,876 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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1.86ct Heart

$472 AUD