Cushion|Lab Grown|IGI

1.73ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG777634305

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG777634305

Diamond specifications and retailer prices

From $441 CAD

$315 USD

As of October 28, 2026

Save $3,828 CAD (90%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: $4,269 CAD at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG777634305 or 777634305. Listed at 18 retailers as of October 28, 2026, with prices from $441 to $4,269, a $3,828 spread on the same certified stone. Brilliant Earth lists it at $4,269. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73

Carat

Color

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.2°

Pavilion angle43.8°

OriginLab Grown

Grading LabIGI

CertificateIGI LG777634305

Dimensions8.21 × 6.50 × 4.44 mm

L/W Ratio1.26

Girdle conditionFaceted

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG777634305

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28

Current: $4,269 CAD|Low: $441 CAD|High: $4,451 CAD|Avg: $1,339 CAD|+7.4%

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

Retailer 17

October 29, 2026

Retailer 5$441 CAD

Retailer 16$488 CAD

Retailer 3$523 CAD

Retailer 7$658 CAD

Retailer 14$658 CAD

Retailer 10$794 CAD

Retailer 13$839 CAD

Retailer 2$861 CAD

Retailer 4$866 CAD

Retailer 17$1,113 CAD

Retailer 12$1,135 CAD

Retailer 8$1,640 CAD

Retailer 9$1,878 CAD

Retailer 11$1,968 CAD

Retailer 6$2,034 CAD

Retailer 15$2,498 CAD

Brilliant Earth$4,269 CAD

33 data points across 17 retailers

18 retailers$441 CAD to $4,269 CAD

Cheapest Retailer

$441 CAD

$315 USD

Final sale: no returns

Retailer 2

$488 CAD

$349 USD

View

Price last confirmed 13 days ago

Retailer 3

$523 CAD

£294 GBP

View

Price last confirmed 14 days ago

Retailer 4

$658 CAD

$470 USD

View

B+

Retailer 5

$658 CAD

$470 USD

View

Retailer 6

$794 CAD

€540 EUR

View

Retailer 7

$839 CAD

ZAR 9,684 ZAR

View

Retailer 8

$861 CAD

£484 GBP

View

Retailer 9

$866 CAD

$619 USD

View

Retailer 10

$1,113 CAD

$795 USD

View

Retailer 11

$1,135 CAD

A$1,248 AUD

View

B+

Retailer 12

$1,640 CAD

$1,172 USD

View

B+

Retailer 13

$1,878 CAD

$1,342 USD

View

B+

Retailer 14

$1,968 CAD

£1,107 GBP

View

B+

Retailer 15

$2,034 CAD

$1,453 USD

View

B+

Retailer 16

$2,498 CAD

$1,785 USD

View

Price last confirmed 10 days ago

Retailer 17

$3,537 CAD

£1,990 GBP

View

Most Expensive

Brilliant Earth

18619133A · Oct 28

$4,269 CAD

$3,050 USD

View

17 more retailers have this diamond

Prices start from $441 CADSave up to $3,828 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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1.73ct Cushion

$441 CAD