Heart|Lab Grown|IGI

3.51ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG792676493

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG792676493

Diamond specifications and retailer prices

From $5,866 CAD

$4,191 USD

As of October 29, 2026

Save $17,676 CAD (75%) vs most expensive(unlock to see where)

15 retailers carry this diamond

Most expensive: $23,541 CAD at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 3.51ct lab-grown heart diamond

This 3.51ct 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 LG792676493 or 792676493. Listed at 15 retailers as of October 28, 2026, with prices from $5,866 to $23,541, a $17,676 spread on the same certified stone. Brilliant Earth lists it at $23,541. 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

3.51

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.9°

Pavilion angle41.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG792676493

Dimensions9.55 × 10.55 × 6.07 mm

L/W Ratio1.10

Girdle conditionFaceted

Culet sizePointed

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG792676493

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 29

Current: $23,541 CAD|Low: $5,866 CAD|High: $24,283 CAD|Avg: $12,808 CAD|-3.1%

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

October 29, 2026

Retailer 4$5,866 CAD

Retailer 13$6,179 CAD

Retailer 3$6,346 CAD

Retailer 10$7,273 CAD

Retailer 12$7,369 CAD

Retailer 7$8,092 CAD

Retailer 11$9,097 CAD

Retailer 8$10,031 CAD

Retailer 9$13,306 CAD

Retailer 2$14,346 CAD

Retailer 14$14,881 CAD

Retailer 6$21,858 CAD

Retailer 5$22,599 CAD

Brilliant Earth$23,541 CAD

41 data points across 14 retailers

15 retailers$5,866 CAD to $23,541 CAD

Cheapest Retailer

$5,866 CAD

$4,191 USD

Retailer 2

$6,179 CAD

$4,415 USD

View

Price last confirmed 17 days ago

Retailer 3

$6,346 CAD

$4,534 USD

View

B+

Retailer 4

$7,273 CAD

HK$40,600 HKD

View

B+

Retailer 5

$7,369 CAD

$5,265 USD

View

B+

Retailer 6

$8,092 CAD

£4,553 GBP

View

B+

Retailer 7

$9,097 CAD

$6,500 USD

View

B+

Retailer 8

$10,031 CAD

€6,826 EUR

View

B+

Retailer 9

$13,306 CAD

£7,486 GBP

View

B+

Retailer 10

$14,346 CAD

ZAR 165,588 ZAR

View

B+

Retailer 11

$14,881 CAD

$10,632 USD

View

Retailer 12

$15,578 CAD

$11,130 USD

View

Retailer 13

$21,858 CAD

$15,618 USD

View

Retailer 14

$23,061 CAD

$16,477 USD

View

Most Expensive

Brilliant Earth

19356652A · Oct 28

$23,541 CAD

$16,820 USD

View

14 more retailers have this diamond

Prices start from $5,866 CADSave up to $17,676 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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3.51ct Heart

$5,866 CAD