Marquise|Lab Grown|IGI

1.58ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG618454374

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG618454374

Diamond specifications and retailer prices

From $1,075 CAD

$768 USD

As of October 28, 2026

Save $3,906 CAD (78%) vs most expensive(unlock to see where)

30 retailers carry this diamond

Most expensive: $4,981 CAD at With Clarity · As of October 28, 2026

View at With Clarity

About this 1.58ct lab-grown marquise diamond

This 1.58ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618454374 or 618454374. Listed at 30 retailers as of October 28, 2026, with prices from $1,075 to $4,981, a $3,906 spread on the same certified stone. With Clarity lists it at $4,981. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.3°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG618454374

Dimensions12.05 × 6.07 × 3.84 mm

L/W Ratio1.99

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

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG618454374

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 28

Current: $1,670 CAD|Low: $861 CAD|High: $4,981 CAD|Avg: $2,479 CAD|+1.4%

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

Retailer 20

Retailer 21

Retailer 22

With Clarity

October 29, 2026

Retailer 10$861 CAD

Retailer 9$1,066 CAD

Retailer 17$1,075 CAD

Retailer 19$1,113 CAD

Retailer 22$1,218 CAD

Retailer 2$1,362 CAD

Retailer 15$1,509 CAD

Retailer 12$1,637 CAD

Retailer 1$1,670 CAD

Retailer 8$1,694 CAD

Retailer 16$1,833 CAD

Retailer 18$2,483 CAD

Retailer 11$2,530 CAD

Retailer 21$2,647 CAD

Retailer 14$3,114 CAD

Retailer 6$3,404 CAD

Retailer 5$3,447 CAD

Retailer 3$3,522 CAD

Retailer 13$3,548 CAD

Retailer 4$3,573 CAD

Retailer 7$4,451 CAD

Retailer 20$4,655 CAD

With Clarity$4,981 CAD

32 data points across 23 retailers

30 retailers$1,075 CAD to $4,981 CAD

Retailer 1

$861 CAD

$615 USD

Price last confirmed 21 days ago

Retailer 2

$892 CAD

$637 USD

View

Price last confirmed 29 days ago

Retailer 3

$970 CAD

$693 USD

View

Price last confirmed 30 days ago

Retailer 4

$1,020 CAD

$729 USD

View

Price last confirmed 30 days ago

Retailer 5

$1,066 CAD

$762 USD

View

Price last confirmed 21 days ago

Retailer 6

$1,066 CAD

$762 USD

View

Price last confirmed 19 days ago

Retailer 7

$1,075 CAD

$768 USD

View

Final sale: no returns

Retailer 8

$1,113 CAD

$795 USD

View

Retailer 9

$1,218 CAD

HK$6,800 HKD

View

Retailer 10

$1,362 CAD

$973 USD

View

Retailer 11

$1,509 CAD

$1,078 USD

View

Retailer 12

$1,637 CAD

€1,114 EUR

View

Retailer 13

$1,670 CAD

£940 GBP

View

Retailer 14

$1,694 CAD

$1,210 USD

View

Retailer 15

$1,833 CAD

ZAR 21,160 ZAR

View

B+

Retailer 16

$2,483 CAD

A$2,729 AUD

View

Price last confirmed 8 days ago

Retailer 17

$2,530 CAD

$1,808 USD

View

B+

Retailer 18

$2,647 CAD

$1,891 USD

View

B+

Retailer 19

$2,805 CAD

$2,004 USD

View

Price last confirmed 19 days ago

B+

Retailer 20

$2,805 CAD

$2,004 USD

View

B+

Retailer 21

$2,908 CAD

$2,078 USD

View

Price last confirmed 29 days ago

B+

Retailer 22

$3,114 CAD

£1,752 GBP

View

B+

Retailer 23

$3,404 CAD

$2,432 USD

View

B+

Retailer 24

$3,447 CAD

$2,463 USD

View

B+

Retailer 25

$3,522 CAD

$2,517 USD

View

B+

Retailer 26

$3,548 CAD

SGD 3,426 SGD

View

B+

Retailer 27

$3,573 CAD

A$3,927 AUD

View

Price last confirmed 20 days ago

B+

Retailer 28

$4,451 CAD

$3,180 USD

View

Retailer 29

$4,655 CAD

£2,619 GBP

View

Most Expensive

With Clarity

618454374 · Oct 28

$4,981 CAD

$3,559 USD

View

29 more retailers have this diamond

Prices start from $1,075 CADSave up to $3,906 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.

Similar diamonds

1.58ct Marquise

$1,075 CAD