Heart|Lab Grown|IGI

3.51ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG800611924

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800611924

Diamond specifications and retailer prices

From $5,472 CAD

$3,910 USD

As of October 30, 2026

Save $18,258 CAD (77%) vs most expensive(unlock to see where)

22 retailers carry this diamond

Most expensive: $23,730 CAD at With Clarity · As of October 30, 2026

View at With Clarity

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 LG800611924 or 800611924. Listed at 22 retailers as of October 30, 2026, with prices from $5,472 to $23,730, a $18,258 spread on the same certified stone. With Clarity lists it at $23,730. 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 angle33.7°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG800611924

Dimensions10.55 × 9.35 × 6.17 mm

L/W Ratio1.13

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 LG800611924

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 30

Current: $14,740 CAD|Low: $5,254 CAD|High: $25,829 CAD|Avg: $11,916 CAD|+1.9%

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

Retailer 15

Retailer 16

Retailer 17

Retailer 18

Retailer 19

With Clarity

October 29, 2026

Retailer 18$5,472 CAD

Retailer 6$5,736 CAD

Retailer 7$6,013 CAD

Retailer 8$6,129 CAD

Retailer 3$6,349 CAD

Retailer 5$6,398 CAD

Retailer 17$6,431 CAD

Retailer 16$7,428 CAD

Retailer 14$7,488 CAD

Retailer 4$7,933 CAD

Retailer 12$8,326 CAD

Retailer 15$9,356 CAD

Retailer 13$13,672 CAD

Retailer 1$14,740 CAD

Retailer 2$16,027 CAD

Retailer 9$18,491 CAD

Retailer 10$21,670 CAD

Retailer 11$22,496 CAD

With Clarity$23,256 CAD

Retailer 19$23,541 CAD

39 data points across 20 retailers

22 retailers$5,472 CAD to $23,730 CAD

Cheapest Retailer

$5,472 CAD

$3,910 USD

Retailer 2

$5,736 CAD

$4,098 USD

View

Retailer 3

$6,013 CAD

$4,296 USD

View

Retailer 4

$6,129 CAD

$4,379 USD

View

Final sale: no returns

Retailer 5

$6,349 CAD

$4,536 USD

View

Price last confirmed 17 days ago

B+

Retailer 6

$6,349 CAD

$4,536 USD

View

B+

Retailer 7

$6,398 CAD

$4,571 USD

View

B+

Retailer 8

$6,431 CAD

$4,595 USD

View

B+

Retailer 9

$7,428 CAD

$5,307 USD

View

B+

Retailer 10

$7,488 CAD

HK$41,800 HKD

View

B+

Retailer 11

$7,933 CAD

$5,668 USD

View

B+

Retailer 12

$8,326 CAD

£4,684 GBP

View

B+

Retailer 13

$9,356 CAD

$6,685 USD

View

B+

Retailer 14

$13,672 CAD

£7,692 GBP

View

B+

Retailer 15

$14,740 CAD

ZAR 170,136 ZAR

View

Retailer 16

$15,313 CAD

$10,941 USD

View

Retailer 17

$16,027 CAD

$11,451 USD

View

Retailer 18

$18,491 CAD

$13,212 USD

View

Retailer 19

$21,670 CAD

SGD 20,923 SGD

View

Retailer 20

$22,496 CAD

$16,073 USD

View

Retailer 21

$23,541 CAD

$16,820 USD

View

Most Expensive

With Clarity

800611924 · Oct 30

$23,730 CAD

$16,955 USD

View

21 more retailers have this diamond

Prices start from $5,472 CADSave up to $18,258 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

$5,472 CAD