Marquise|Lab Grown|IGI

1.59ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG790656718

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790656718

Diamond specifications and retailer prices

From $647 CAD

$462 USD

As of October 27, 2026

Save $3,762 CAD (85%) vs most expensive(unlock to see where)

30 retailers carry this diamond

Most expensive: $4,409 CAD at Brilliant Earth · As of October 28, 2026

View at Brilliant Earth

About this 1.59ct lab-grown marquise diamond

This 1.59ct 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 LG790656718 or 790656718. Listed at 30 retailers as of October 27, 2026, with prices from $647 to $4,409, a $3,762 spread on the same certified stone. Brilliant Earth lists it at $4,409. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.59

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle32.8°

Pavilion angle40.4°

OriginLab Grown

Grading LabIGI

CertificateIGI LG790656718

Dimensions12.27 × 6.12 × 12.27 mm

L/W Ratio2.00

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 LG790656718

Side View

Caratlytics Score

How it works →

A+

Exceptional

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: $4,409 CAD|Low: $724 CAD|High: $4,423 CAD|Avg: $2,104 CAD|-0.3%

Brilliant Earth

Retailer 2

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Retailer 21

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Retailer 24

October 29, 2026

Retailer 23$724 CAD

Retailer 13$753 CAD

Retailer 6$802 CAD

Retailer 22$878 CAD

Retailer 19$1,001 CAD

Retailer 10$1,078 CAD

Retailer 9$1,241 CAD

Retailer 20$1,277 CAD

Retailer 24$1,308 CAD

Retailer 2$1,325 CAD

Retailer 18$1,378 CAD

Retailer 7$1,638 CAD

Retailer 4$1,857 CAD

Retailer 3$1,881 CAD

Retailer 15$2,346 CAD

Retailer 12$2,548 CAD

Retailer 8$2,578 CAD

Retailer 14$2,621 CAD

Retailer 5$2,815 CAD

Retailer 11$2,841 CAD

Retailer 21$2,949 CAD

Retailer 17$3,331 CAD

Retailer 16$3,492 CAD

Brilliant Earth$4,409 CAD

30 data points across 24 retailers

30 retailers$647 CAD to $4,409 CAD

A+

Cheapest Retailer

$647 CAD

$462 USD

Retailer 2

$724 CAD

$517 USD

View

Retailer 3

$753 CAD

$538 USD

View

Final sale: no returns

Retailer 4

$802 CAD

$573 USD

View

Price last confirmed 13 days ago

Retailer 5

$802 CAD

$573 USD

View

Retailer 6

$878 CAD

HK$4,900 HKD

View

Retailer 7

$1,001 CAD

$715 USD

View

Retailer 8

$1,078 CAD

$770 USD

View

Retailer 9

$1,241 CAD

$887 USD

View

Retailer 10

$1,277 CAD

€869 EUR

View

Retailer 11

$1,308 CAD

A$1,438 AUD

View

Retailer 12

$1,325 CAD

£745 GBP

View

Retailer 13

$1,378 CAD

ZAR 15,906 ZAR

View

Retailer 14

$1,638 CAD

$1,170 USD

View

Retailer 15

$1,857 CAD

$1,327 USD

View

Retailer 16

$1,881 CAD

A$2,068 AUD

View

Price last confirmed 9 days ago

Retailer 17

$2,346 CAD

£1,320 GBP

View

B+

Retailer 18

$2,548 CAD

SGD 2,460 SGD

View

B+

Retailer 19

$2,578 CAD

$1,842 USD

View

B+

Retailer 20

$2,621 CAD

$1,872 USD

View

B+

Retailer 21

$2,697 CAD

$1,927 USD

View

B+

Retailer 22

$2,815 CAD

$2,011 USD

View

B+

Retailer 23

$2,841 CAD

$2,030 USD

View

B+

Retailer 24

$2,949 CAD

£1,659 GBP

View

B+

Retailer 25

$3,161 CAD

$2,258 USD

View

Price last confirmed 50 days ago

B+

Retailer 26

$3,331 CAD

$2,380 USD

View

Price last confirmed 21 days ago

B+

Retailer 27

$3,431 CAD

£1,930 GBP

View

B+

Retailer 28

$3,492 CAD

A$3,839 AUD

View

Price last confirmed 21 days ago

Retailer 29

$4,409 CAD

$3,150 USD

View

Price last confirmed 13 days ago

Most Expensive

Brilliant Earth

20473735A · Oct 28

$4,409 CAD

$3,150 USD

View

29 more retailers have this diamond

Prices start from $647 CADSave up to $3,762 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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