Heart|Lab Grown|IGI

12.01ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG671453956

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG671453956

Diamond specifications and retailer prices

From $7,129 NZD

$4,011 USD

As of November 1, 2026

Save $19,701 NZD (73%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $34,675 NZD at Brilliant Earth · As of October 26, 2026

View at Brilliant Earth

About this 12.01ct lab-grown heart diamond

This 12.01ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG671453956 or 671453956. Listed at 15 retailers as of October 31, 2026, with a 276% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

12.01

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.2°

Pavilion angle39.6°

OriginLab Grown

Grading LabIGI

CertificateIGI LG671453956

Dimensions14.64 × 15.30 × 9.18 mm

L/W Ratio1.05

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG671453956

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 1

Current: $34,675 NZD|Low: $7,065 NZD|High: $34,675 NZD|Avg: $15,253 NZD

Brilliant Earth

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 3, 2026

Retailer 7$7,129 NZD

Retailer 13$7,873 NZD

Retailer 3$8,941 NZD

Retailer 2$9,838 NZD

Retailer 10$10,276 NZD

Retailer 5$11,070 NZD

Retailer 12$11,763 NZD

Retailer 8$11,780 NZD

Retailer 9$14,238 NZD

Retailer 11$15,941 NZD

Retailer 14$19,127 NZD

Retailer 6$23,910 NZD

Retailer 4$26,830 NZD

Brilliant Earth$34,675 NZD

43 data points across 14 retailers

15 retailers$7,129 NZD to $26,830 NZD

Cheapest Retailer

$7,129 NZD

$4,011 USD

Retailer 2

$7,873 NZD

$4,430 USD

View

Retailer 3

$8,941 NZD

HK$39,300 HKD

View

Retailer 4

$9,838 NZD

£4,359 GBP

View

Retailer 5

$10,276 NZD

$5,782 USD

View

Retailer 6

$11,070 NZD

€5,932 EUR

View

Price last confirmed 7 days ago

B+

Retailer 7

$11,763 NZD

ZAR 106,921 ZAR

View

B+

Retailer 8

$11,780 NZD

$6,628 USD

View

Retailer 9

$14,238 NZD

A$12,325 AUD

View

B+

Retailer 10

$15,941 NZD

$8,969 USD

View

Retailer 11

$16,557 NZD

$9,316 USD

View

Price last confirmed 8 days ago

Retailer 12

$19,127 NZD

$10,762 USD

View

Retailer 13

$23,910 NZD

SGD 18,180 SGD

View

Price last confirmed 7 days ago

Retailer 14

$26,830 NZD

$15,096 USD

View

Most Expensive

Brilliant Earth

18017656A · Oct 26

$34,675 NZD

$19,510 USD

View

Price last confirmed 7 days ago

14 more retailers have this diamond

Prices start from $7,129 NZDSave up to $19,701 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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12.01ct Heart

$7,129 NZD