Cushion|Lab Grown|IGI

1.89ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG836607909

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG836607909

Diamond specifications and retailer prices

From $1,034 CAD

$739 USD

As of October 30, 2026

Save $7,447 CAD (88%) vs most expensive(unlock to see where)

16 retailers carry this diamond

Most expensive: $8,482 CAD at Brilliant Earth · As of October 29, 2026

View at Brilliant Earth

About this 1.89ct lab-grown cushion diamond

This 1.89ct lab-grown cushion 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 LG836607909 or 836607909. Listed at 16 retailers as of October 29, 2026, with prices from $1,034 to $8,482, a $7,447 spread on the same certified stone. Brilliant Earth lists it at $8,482. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89

Carat

Color

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34°

Pavilion angle35.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG836607909

Dimensions9.08 × 6.22 × 4.18 mm

L/W Ratio1.46

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

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG836607909

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: $8,482 CAD|Low: $1,034 CAD|High: $8,496 CAD|Avg: $3,055 CAD|-0.2%

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

Retailer 15

Retailer 16

October 30, 2026

Retailer 16$1,034 CAD

Retailer 8$1,136 CAD

Retailer 5$1,284 CAD

Retailer 11$1,302 CAD

Retailer 2$1,690 CAD

Retailer 12$1,726 CAD

Retailer 9$1,813 CAD

Retailer 10$1,943 CAD

Retailer 13$2,287 CAD

Retailer 15$3,285 CAD

Retailer 3$3,470 CAD

Retailer 14$3,649 CAD

Retailer 4$3,744 CAD

Retailer 7$4,485 CAD

Retailer 6$5,144 CAD

Brilliant Earth$8,482 CAD

27 data points across 16 retailers

16 retailers$1,034 CAD to $8,482 CAD

Cheapest Retailer

$1,034 CAD

$739 USD

Final sale: no returns

Retailer 2

$1,136 CAD

$812 USD

View

Price last confirmed 13 days ago

Retailer 3

$1,284 CAD

£722 GBP

View

Price last confirmed 8 days ago

Retailer 4

$1,302 CAD

$930 USD

View

Retailer 5

$1,690 CAD

£951 GBP

View

Retailer 6

$1,726 CAD

$1,233 USD

View

Retailer 7

$1,813 CAD

€1,234 EUR

View

Retailer 8

$1,943 CAD

ZAR 22,430 ZAR

View

Retailer 9

$2,287 CAD

$1,634 USD

View

B+

Retailer 10

$3,285 CAD

£1,848 GBP

View

B+

Retailer 11

$3,470 CAD

$2,479 USD

View

B+

Retailer 12

$3,649 CAD

$2,607 USD

View

B+

Retailer 13

$3,744 CAD

SGD 3,615 SGD

View

Retailer 14

$4,485 CAD

£2,523 GBP

View

Price last confirmed 12 days ago

Retailer 15

$5,144 CAD

$3,675 USD

View

Price last confirmed 8 days ago

Most Expensive

Brilliant Earth

21640937A · Oct 29

$8,482 CAD

$6,060 USD

View

15 more retailers have this diamond

Prices start from $1,034 CADSave up to $7,447 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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1.89ct Cushion

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