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 $672 NZD

As of November 4, 2026

Save $1,048 NZD (61%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $2,270 NZD 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

Unlock full score analysis

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

Price History

Last verified: Nov 4

Current: $927 NZD|Low: $386 NZD|High: $2,019 NZD|Avg: $901 NZD|+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$402 NZD

Retailer 6$448 NZD

Retailer 3$466 NZD

Retailer 4$498 NZD

Retailer 14$498 NZD

Retailer 12$672 NZD

Retailer 7$802 NZD

Retailer 8$856 NZD

Retailer 1$927 NZD

Retailer 5$1,060 NZD

Retailer 9$1,215 NZD

Retailer 2$1,601 NZD

Retailer 11$1,606 NZD

Retailer 10$1,998 NZD

45 data points across 14 retailers

17 retailers$672 NZD to $1,720 NZD

Retailer 1

$402 NZD

Price last confirmed 10 days ago

Retailer 2

$466 NZD

View

Price last confirmed 9 days ago

Retailer 3

$498 NZD

View

Price last confirmed 12 days ago

Retailer 4

$498 NZD

View

Price last confirmed 12 days ago

B+

Retailer 5

$672 NZD

View

Retailer 6

$802 NZD

View

Retailer 7

$856 NZD

View

Price last confirmed 9 days ago

B+

Retailer 8

$927 NZD

View

B+

Retailer 9

$1,060 NZD

View

Retailer 10

$1,160 NZD

View

Price last confirmed 10 days ago

Retailer 11

$1,215 NZD

View

Price last confirmed 10 days ago

Retailer 12

$1,601 NZD

View

Price last confirmed 12 days ago

Retailer 13

$1,606 NZD

View

Price last confirmed 11 days ago

Retailer 14

$1,694 NZD

View

Price last confirmed 9 days ago

Retailer 15

$1,720 NZD

View

Retailer 16

$1,998 NZD

View

Price last confirmed 11 days ago

Most Expensive

Reve Diamonds

D5C270E3F · Oct 28

$2,270 NZD

$1,276 USD

View

Price last confirmed 8 days ago

16 more retailers have this diamond

Prices start from $672 NZDSave up to $1,048 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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1.31ct Heart

$672 NZD