Heart|Lab Grown|IGI

3.12ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG797643241

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG797643241

Diamond specifications and retailer prices

From $4,463 CAD

$3,195 USD

As of October 31, 2026

Save $18,193 CAD (80%) vs most expensive(unlock to see where)

17 retailers carry this diamond

Most expensive: $22,656 CAD at With Clarity · As of October 31, 2026

View at With Clarity

About this 3.12ct lab-grown heart diamond

This 3.12ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797643241 or 797643241. Listed at 17 retailers as of October 31, 2026, with prices from $4,463 to $22,656, a $18,193 spread on the same certified stone. With Clarity lists it at $22,656. 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

3.12

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle39.2°

Pavilion angle38.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG797643241

Dimensions10.10 × 8.61 × 5.87 mm

L/W Ratio1.17

Girdle conditionFaceted

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG797643241

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: Oct 31

Current: $4,463 CAD|Low: $3,200 CAD|High: $22,656 CAD|Avg: $8,709 CAD|+39.5%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

With Clarity

October 31, 2026

Retailer 1$4,463 CAD

Retailer 2$4,624 CAD

Retailer 9$4,847 CAD

Retailer 3$6,195 CAD

Retailer 10$6,607 CAD

Retailer 7$6,644 CAD

Retailer 5$10,737 CAD

Retailer 8$11,063 CAD

Retailer 6$11,782 CAD

Retailer 4$15,883 CAD

With Clarity$22,656 CAD

38 data points across 11 retailers

17 retailers$4,463 CAD to $22,656 CAD

Retailer 1

$3,985 CAD

$2,853 USD

Price last confirmed 23 days ago

Retailer 2

$4,336 CAD

$3,104 USD

View

Price last confirmed 32 days ago

Retailer 3

$4,463 CAD

$3,195 USD

View

Final sale: no returns

Retailer 4

$4,624 CAD

$3,310 USD

View

Price last confirmed 28 days ago

Retailer 5

$4,847 CAD

$3,470 USD

View

Retailer 6

$5,039 CAD

$3,607 USD

View

B+

Retailer 7

$6,195 CAD

£3,492 GBP

View

Retailer 8

$6,356 CAD

$4,550 USD

View

Price last confirmed 31 days ago

B+

Retailer 9

$6,607 CAD

$4,730 USD

View

B+

Retailer 10

$6,644 CAD

$4,756 USD

View

B+

Retailer 11

$10,737 CAD

ZAR 124,168 ZAR

View

B+

Retailer 12

$11,063 CAD

$7,920 USD

View

B+

Retailer 13

$11,782 CAD

£6,641 GBP

View

Retailer 14

$13,495 CAD

$9,661 USD

View

Retailer 15

$15,883 CAD

$11,370 USD

View

Retailer 16

$16,110 CAD

$11,533 USD

View

Most Expensive

With Clarity

797643241 · Oct 31

$22,656 CAD

$16,219 USD

View

16 more retailers have this diamond

Prices start from $4,463 CADSave up to $18,193 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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3.12ct Heart

$4,463 CAD