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 $341 SGD

$267 USD

As of October 19, 2026

14 retailers carry this diamond

Most expensive: $2,993 SGD 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 14 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

Colour

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: $2,993 SGD|Low: $329 SGD|High: $3,236 SGD|Avg: $1,090 SGD|-7.5%

Brilliant Earth

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October 23, 2026

Retailer 18$341 SGD

Retailer 11$381 SGD

Retailer 8$396 SGD

Retailer 23$423 SGD

Retailer 2$475 SGD

Retailer 3$498 SGD

Retailer 4$627 SGD

Retailer 20$667 SGD

Retailer 7$705 SGD

Retailer 19$722 SGD

Retailer 14$780 SGD

Retailer 13$792 SGD

Retailer 15$935 SGD

Retailer 21$997 SGD

Retailer 6$1,074 SGD

Retailer 12$1,363 SGD

Retailer 16$1,368 SGD

Retailer 17$1,428 SGD

Retailer 22$1,618 SGD

Retailer 9$1,632 SGD

Retailer 5$1,641 SGD

Retailer 24$1,709 SGD

Retailer 10$1,801 SGD

Brilliant Earth$2,993 SGD

33 data points across 24 retailers

14 retailers$341 SGD to $2,993 SGD

Retailer 1

$341 SGD

$267 USD

Price last confirmed 14 days ago

Retailer 2

$396 SGD

$310 USD

View

Price last confirmed 18 days ago

Retailer 3

$423 SGD

$331 USD

View

Price last confirmed 15 days ago

Retailer 4

$475 SGD

HK$2,900 HKD

View

Price last confirmed 10 days ago

Retailer 5

$722 SGD

ZAR 9,117 ZAR

View

Price last confirmed 15 days ago

Retailer 6

$792 SGD

£488 GBP

View

Price last confirmed 13 days ago

Retailer 7

$997 SGD

A$1,199 AUD

View

Price last confirmed 15 days ago

Retailer 8

$1,074 SGD

$840 USD

View

Price last confirmed 11 days ago

Retailer 9

$1,363 SGD

$1,066 USD

View

Price last confirmed 17 days ago

Retailer 10

$1,368 SGD

View

Price last confirmed 14 days ago

Retailer 11

$1,618 SGD

$1,265 USD

View

Price last confirmed 15 days ago

Retailer 12

$1,641 SGD

$1,283 USD

View

Price last confirmed 16 days ago

Retailer 13

$1,709 SGD

£1,052 GBP

View

Price last confirmed 14 days ago

Most Expensive

Brilliant Earth

21498704A · Oct 21

$2,993 SGD

$2,340 USD

View

Price last confirmed 11 days ago

13 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.

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1.91ct Marquise

$341 SGD