Heart|Lab Grown|IGI

1.66ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG825660136

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825660136

Diamond specifications and retailer prices

From $985 CAD

$705 USD

As of November 2, 2026

Save $5,546 CAD (85%) vs most expensive(unlock to see where)

19 retailers carry this diamond

Most expensive: $6,531 CAD at With Clarity · As of November 2, 2026

View at With Clarity

About this 1.66ct lab-grown heart diamond

This 1.66ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825660136 or 825660136. Listed at 19 retailers as of November 2, 2026, with prices from $985 to $6,531, a $5,546 spread on the same certified stone. With Clarity lists it at $6,531. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.66

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35°

Pavilion angle41.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG825660136

Dimensions8.05 × 7.24 × 4.93 mm

L/W Ratio1.11

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 LG825660136

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 2

Current: $2,631 CAD|Low: $985 CAD|High: $7,420 CAD|Avg: $2,883 CAD|-8.5%

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

With Clarity

November 2, 2026

Retailer 11$985 CAD

Retailer 6$1,086 CAD

Retailer 3$1,158 CAD

Retailer 8$1,203 CAD

Retailer 9$1,281 CAD

Retailer 17$1,404 CAD

Retailer 7$1,501 CAD

Retailer 12$1,857 CAD

Retailer 5$1,868 CAD

Retailer 18$1,881 CAD

Retailer 16$2,129 CAD

Retailer 1$2,631 CAD

Retailer 4$3,256 CAD

Retailer 15$3,825 CAD

Retailer 2$3,993 CAD

Retailer 14$4,572 CAD

Retailer 10$4,591 CAD

Retailer 13$5,576 CAD

With Clarity$6,531 CAD

37 data points across 19 retailers

19 retailers$985 CAD to $6,531 CAD

Cheapest Retailer

$985 CAD

$705 USD

Retailer 2

$1,086 CAD

$777 USD

View

Retailer 3

$1,158 CAD

$829 USD

View

Retailer 4

$1,203 CAD

$861 USD

View

Price last confirmed 16 days ago

Retailer 5

$1,281 CAD

$917 USD

View

Final sale: no returns

Retailer 6

$1,404 CAD

$1,005 USD

View

Retailer 7

$1,501 CAD

$1,074 USD

View

B+

Retailer 8

$1,857 CAD

£1,047 GBP

View

B+

Retailer 9

$1,868 CAD

$1,337 USD

View

B+

Retailer 10

$1,881 CAD

$1,346 USD

View

B+

Retailer 11

$2,129 CAD

ZAR 24,613 ZAR

View

B+

Retailer 12

$2,631 CAD

$1,883 USD

View

B+

Retailer 13

$3,256 CAD

$2,330 USD

View

B+

Retailer 14

$3,825 CAD

$2,737 USD

View

Retailer 15

$3,993 CAD

$2,857 USD

View

Retailer 16

$4,572 CAD

£2,576 GBP

View

Retailer 17

$4,591 CAD

SGD 4,440 SGD

View

Retailer 18

$5,576 CAD

$3,990 USD

View

Most Expensive

With Clarity

825660136 · Nov 2

$6,531 CAD

$4,674 USD

View

18 more retailers have this diamond

Prices start from $985 CADSave up to $5,546 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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