Heart|Lab Grown|IGI

1.31ct G VVS1 Heart Lab Grown Diamond

EX • G/VVS1 • IGI LG579375103

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG579375103

Diamond specifications and retailer prices

From $540 AUD

As of November 4, 2026

Save $841 AUD (61%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $1,823 AUD at Reve Diamonds · As of October 28, 2026

View at Reve Diamonds

About this 1.31ct lab-grown heart diamond

This 1.31ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG579375103 or 579375103. Listed at 17 retailers as of November 4, 2026, with a 156% 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

1.31

Carat

Colour

VVS1

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.7°

Pavilion angle38.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG579375103

Dimensions6.67 × 7.77 × 4.49 mm

L/W Ratio1.16

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 LG579375103

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: Nov 4

Current: $744 AUD|Low: $310 AUD|High: $1,621 AUD|Avg: $724 AUD|+2.8%

Retailer 1

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 5, 2026

Retailer 13$323 AUD

Retailer 6$360 AUD

Retailer 3$374 AUD

Retailer 4$400 AUD

Retailer 14$400 AUD

Retailer 12$540 AUD

Retailer 7$644 AUD

Retailer 8$687 AUD

Retailer 1$744 AUD

Retailer 5$851 AUD

Retailer 9$976 AUD

Retailer 2$1,286 AUD

Retailer 11$1,290 AUD

Retailer 10$1,604 AUD

45 data points across 14 retailers

17 retailers$540 AUD to $1,381 AUD

Retailer 1

$323 AUD

Price last confirmed 10 days ago

Retailer 2

$374 AUD

View

Price last confirmed 9 days ago

Retailer 3

$400 AUD

View

Price last confirmed 12 days ago

Retailer 4

$400 AUD

View

Price last confirmed 12 days ago

B+

Retailer 5

$540 AUD

View

Retailer 6

$644 AUD

View

Retailer 7

$687 AUD

View

Price last confirmed 9 days ago

B+

Retailer 8

$744 AUD

View

B+

Retailer 9

$851 AUD

View

Retailer 10

$931 AUD

View

Price last confirmed 10 days ago

Retailer 11

$976 AUD

View

Price last confirmed 10 days ago

Retailer 12

$1,286 AUD

View

Price last confirmed 12 days ago

Retailer 13

$1,290 AUD

View

Price last confirmed 11 days ago

Retailer 14

$1,360 AUD

View

Price last confirmed 9 days ago

Retailer 15

$1,381 AUD

View

Retailer 16

$1,604 AUD

View

Price last confirmed 11 days ago

Most Expensive

Reve Diamonds

D5C270E3F · Oct 28

$1,823 AUD

$1,276 USD

View

Price last confirmed 8 days ago

16 more retailers have this diamond

Prices start from $540 AUDSave up to $841 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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