Marquise|Lab Grown|IGI

1.58ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG812620132

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812620132

Diamond specifications and retailer prices

From $880 CAD

$629 USD

As of October 27, 2026

Save $3,446 CAD (80%) vs most expensive(unlock to see where)

25 retailers carry this diamond

Most expensive: $4,745 CAD at Brilliant Earth · As of October 22, 2026

View at Brilliant Earth

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 LG812620132 or 812620132. Listed at 25 retailers as of October 27, 2026, with a 391% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle34.7°

Pavilion angle41.2°

OriginLab Grown

Grading LabIGI

CertificateIGI LG812620132

Dimensions11.69 × 6.14 × 3.85 mm

L/W Ratio1.90

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 LG812620132

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 27

Current: $4,745 CAD|Low: $854 CAD|High: $4,745 CAD|Avg: $1,963 CAD

Brilliant Earth

Retailer 2

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Retailer 22

October 29, 2026

Retailer 3$880 CAD

Retailer 19$959 CAD

Retailer 4$985 CAD

Retailer 13$1,022 CAD

Retailer 15$1,032 CAD

Retailer 10$1,135 CAD

Retailer 9$1,211 CAD

Retailer 6$1,474 CAD

Retailer 5$1,537 CAD

Retailer 8$1,675 CAD

Retailer 21$1,699 CAD

Retailer 2$1,712 CAD

Retailer 17$1,877 CAD

Retailer 11$2,567 CAD

Retailer 14$2,635 CAD

Retailer 18$2,872 CAD

Retailer 22$3,293 CAD

Retailer 12$3,401 CAD

Retailer 7$3,526 CAD

Retailer 20$3,588 CAD

Retailer 16$4,326 CAD

Brilliant Earth$4,745 CAD

32 data points across 22 retailers

25 retailers$880 CAD to $4,326 CAD

Cheapest Retailer

$880 CAD

$629 USD

Retailer 2

$959 CAD

$685 USD

View

Retailer 3

$985 CAD

$704 USD

View

Final sale: no returns

Retailer 4

$1,022 CAD

$730 USD

View

Retailer 5

$1,032 CAD

$737 USD

View

Price last confirmed 17 days ago

Retailer 6

$1,135 CAD

£639 GBP

View

Price last confirmed 7 days ago

Retailer 7

$1,211 CAD

$865 USD

View

Retailer 8

$1,474 CAD

$1,053 USD

View

Retailer 9

$1,537 CAD

$1,098 USD

View

Retailer 10

$1,675 CAD

€1,140 EUR

View

Retailer 11

$1,699 CAD

$1,214 USD

View

Retailer 12

$1,712 CAD

£963 GBP

View

Retailer 13

$1,877 CAD

ZAR 21,665 ZAR

View

B+

Retailer 14

$2,567 CAD

A$2,822 AUD

View

Price last confirmed 8 days ago

B+

Retailer 15

$2,609 CAD

$1,864 USD

View

B+

Retailer 16

$2,635 CAD

$1,883 USD

View

B+

Retailer 17

$2,872 CAD

$2,052 USD

View

B+

Retailer 18

$3,199 CAD

£1,800 GBP

View

Price last confirmed 18 days ago

B+

Retailer 19

$3,293 CAD

$2,353 USD

View

B+

Retailer 20

$3,401 CAD

$2,430 USD

View

B+

Retailer 21

$3,520 CAD

$2,515 USD

View

B+

Retailer 22

$3,526 CAD

$2,520 USD

View

B+

Retailer 23

$3,588 CAD

$2,563 USD

View

B+

Retailer 24

$4,326 CAD

£2,434 GBP

View

Most Expensive

Brilliant Earth

20677445A · Oct 22

$4,745 CAD

$3,390 USD

View

Price last confirmed 7 days ago

24 more retailers have this diamond

Prices start from $880 CADSave up to $3,446 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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