Heart|Lab Grown|IGI

12.31ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG720520483

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG720520483

Diamond specifications and retailer prices

From $6,002 CAD

$4,295 USD

As of November 3, 2026

Save $23,806 CAD (80%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $29,808 CAD at With Clarity · As of November 3, 2026

View at With Clarity

About this 12.31ct lab-grown heart diamond

This 12.31ct 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 LG720520483 or 720520483. Listed at 18 retailers as of November 3, 2026, with prices from $6,002 to $29,808, a $23,806 spread on the same certified stone. With Clarity lists it at $29,808. 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

12.31

Carat

Color

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36°

Pavilion angle37.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG720520483

Dimensions14.26 × 15.98 × 8.97 mm

L/W Ratio1.12

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 LG720520483

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 3

Current: $7,396 CAD|Low: $4,966 CAD|High: $29,808 CAD|Avg: $9,484 CAD|-3.1%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

With Clarity

November 2, 2026

Retailer 10$5,173 CAD

Retailer 3$6,000 CAD

Retailer 8$6,002 CAD

Retailer 4$6,281 CAD

Retailer 7$6,434 CAD

Retailer 1$7,396 CAD

Retailer 5$7,846 CAD

Retailer 11$8,671 CAD

Retailer 9$9,287 CAD

Retailer 6$11,243 CAD

Retailer 2$14,424 CAD

Retailer 12$19,494 CAD

With Clarity$29,808 CAD

36 data points across 13 retailers

18 retailers$6,002 CAD to $29,808 CAD

Retailer 1

$5,627 CAD

$4,027 USD

Price last confirmed 35 days ago

Retailer 2

$6,000 CAD

$4,294 USD

View

Price last confirmed 31 days ago

Retailer 3

$6,002 CAD

$4,295 USD

View

Retailer 4

$6,281 CAD

$4,495 USD

View

Retailer 5

$6,434 CAD

$4,604 USD

View

Final sale: no returns

Retailer 6

$7,396 CAD

$5,293 USD

View

Retailer 7

$7,498 CAD

$5,366 USD

View

Price last confirmed 33 days ago

Retailer 8

$7,846 CAD

£4,421 GBP

View

Retailer 9

$8,671 CAD

$6,205 USD

View

B+

Retailer 10

$9,287 CAD

ZAR 107,363 ZAR

View

B+

Retailer 11

$11,243 CAD

A$12,378 AUD

View

B+

Retailer 12

$13,085 CAD

$9,364 USD

View

Retailer 13

$14,424 CAD

$10,322 USD

View

Retailer 14

$15,104 CAD

$10,809 USD

View

Retailer 15

$16,658 CAD

$11,921 USD

View

Retailer 16

$19,494 CAD

$13,950 USD

View

Retailer 17

$21,188 CAD

$15,163 USD

View

Most Expensive

With Clarity

720520483 · Nov 3

$29,808 CAD

$21,331 USD

View

17 more retailers have this diamond

Prices start from $6,002 CADSave up to $23,806 CAD

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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12.31ct Heart

$6,002 CAD