Marquise|Lab Grown|IGI

1.91ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG830643268

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830643268

Diamond specifications and retailer prices

From $373 CAD

$267 USD

As of October 19, 2026

16 retailers carry this diamond

Most expensive: $3,269 CAD at Brilliant Earth · As of October 21, 2026

View at Brilliant Earth

About this 1.91ct lab-grown marquise diamond

This 1.91ct lab-grown marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG830643268 or 830643268. Listed at 16 retailers as of October 19, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91

Carat

Color

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.9°

Pavilion angle39.3°

OriginLab Grown

Grading LabIGI

CertificateIGI LG830643268

Dimensions13.11 × 6.54 × 3.88 mm

L/W Ratio2.00

Girdle conditionFaceted

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 LG830643268

Side View

Caratlytics Score

No score right now

No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 19

Current: $3,269 CAD|Low: $359 CAD|High: $3,534 CAD|Avg: $1,189 CAD|-7.5%

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

Retailer 18

Retailer 19

Retailer 20

Retailer 21

Retailer 22

Retailer 23

Retailer 24

October 23, 2026

Retailer 18$373 CAD

Retailer 11$416 CAD

Retailer 8$433 CAD

Retailer 23$462 CAD

Retailer 2$519 CAD

Retailer 3$544 CAD

Retailer 4$684 CAD

Retailer 20$729 CAD

Retailer 7$770 CAD

Retailer 19$788 CAD

Retailer 14$852 CAD

Retailer 13$865 CAD

Retailer 15$1,021 CAD

Retailer 21$1,089 CAD

Retailer 6$1,173 CAD

Retailer 12$1,489 CAD

Retailer 16$1,495 CAD

Retailer 17$1,560 CAD

Retailer 22$1,767 CAD

Retailer 9$1,782 CAD

Retailer 5$1,792 CAD

Retailer 24$1,866 CAD

Retailer 10$1,968 CAD

Brilliant Earth$3,269 CAD

34 data points across 24 retailers

16 retailers$373 CAD to $3,269 CAD

Retailer 1

$373 CAD

$267 USD

Price last confirmed 13 days ago

Retailer 2

$433 CAD

$310 USD

View

Price last confirmed 17 days ago

Retailer 3

$462 CAD

$331 USD

View

Price last confirmed 14 days ago

Retailer 4

$519 CAD

HK$2,900 HKD

View

Price last confirmed 9 days ago

Retailer 5

$788 CAD

ZAR 9,117 ZAR

View

Price last confirmed 14 days ago

Retailer 6

$865 CAD

£488 GBP

View

Price last confirmed 12 days ago

Retailer 7

$1,089 CAD

A$1,199 AUD

View

Price last confirmed 14 days ago

Retailer 8

$1,173 CAD

$840 USD

View

Price last confirmed 10 days ago

Retailer 9

$1,489 CAD

$1,066 USD

View

Price last confirmed 16 days ago

Retailer 10

$1,495 CAD

SGD 1,446 SGD

View

Price last confirmed 13 days ago

Retailer 11

$1,767 CAD

$1,265 USD

View

Price last confirmed 14 days ago

Retailer 12

$1,782 CAD

$1,276 USD

View

Price last confirmed 14 days ago

Retailer 13

$1,792 CAD

$1,283 USD

View

Price last confirmed 16 days ago

Retailer 14

$1,866 CAD

£1,052 GBP

View

Price last confirmed 13 days ago

Retailer 15

$1,968 CAD

$1,408 USD

View

Price last confirmed 14 days ago

Most Expensive

Brilliant Earth

21498704A · Oct 21

$3,269 CAD

$2,340 USD

View

Price last confirmed 11 days ago

15 more retailers have this diamond

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

1.91ct Marquise

$373 CAD