Marquise|Lab Grown|IGI

1.55ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG788617133

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788617133

Diamond specifications and retailer prices

From $1,347 CAD

$964 USD

As of October 30, 2026

Save $4,185 CAD (76%) vs most expensive(unlock to see where)

26 retailers carry this diamond

Most expensive: $5,532 CAD at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 1.55ct lab-grown marquise diamond

This 1.55ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG788617133 or 788617133. Listed at 26 retailers as of October 30, 2026, with prices from $1,347 to $5,532, a $4,185 spread on the same certified stone. Brilliant Earth lists it at $5,532. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55

Carat

Color

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle36.1°

Pavilion angle39.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG788617133

Dimensions12.25 × 6.07 × 3.68 mm

L/W Ratio2.02

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 LG788617133

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 30

Current: $5,532 CAD|Low: $1,347 CAD|High: $6,078 CAD|Avg: $3,095 CAD

Brilliant Earth

Retailer 2

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October 31, 2026

Retailer 8$1,347 CAD

Retailer 23$1,465 CAD

Retailer 5$1,562 CAD

Retailer 7$1,562 CAD

Retailer 17$1,619 CAD

Retailer 18$1,724 CAD

Retailer 6$1,803 CAD

Retailer 4$1,806 CAD

Retailer 22$1,809 CAD

Retailer 10$1,957 CAD

Retailer 11$2,235 CAD

Retailer 2$2,408 CAD

Retailer 19$2,449 CAD

Retailer 21$2,870 CAD

Retailer 13$2,987 CAD

Retailer 16$4,322 CAD

Retailer 9$4,390 CAD

Retailer 3$4,642 CAD

Retailer 12$5,072 CAD

Retailer 14$5,240 CAD

Retailer 20$5,324 CAD

Retailer 15$5,437 CAD

Brilliant Earth$5,532 CAD

25 data points across 23 retailers

26 retailers$1,347 CAD to $5,532 CAD

Cheapest Retailer

$1,347 CAD

$964 USD

Retailer 2

$1,465 CAD

$1,049 USD

View

Retailer 3

$1,562 CAD

$1,118 USD

View

Price last confirmed 14 days ago

Retailer 4

$1,562 CAD

$1,118 USD

View

Retailer 5

$1,619 CAD

$1,159 USD

View

Final sale: no returns

Retailer 6

$1,724 CAD

£972 GBP

View

Retailer 7

$1,803 CAD

$1,291 USD

View

Retailer 8

$1,806 CAD

HK$10,100 HKD

View

Retailer 9

$1,809 CAD

$1,295 USD

View

Retailer 10

$1,957 CAD

$1,401 USD

View

Retailer 11

$2,235 CAD

$1,600 USD

View

Retailer 12

$2,408 CAD

£1,357 GBP

View

B+

Retailer 13

$2,449 CAD

€1,670 EUR

View

B+

Retailer 14

$2,622 CAD

A$2,888 AUD

View

B+

Retailer 15

$2,870 CAD

ZAR 33,197 ZAR

View

B+

Retailer 16

$2,987 CAD

$2,138 USD

View

B+

Retailer 17

$4,322 CAD

£2,436 GBP

View

Retailer 18

$4,390 CAD

$3,143 USD

View

B+

Retailer 19

$4,642 CAD

$3,323 USD

View

B+

Retailer 20

$4,664 CAD

$3,339 USD

View

Retailer 21

$5,072 CAD

$3,631 USD

View

Retailer 22

$5,240 CAD

SGD 5,069 SGD

View

Retailer 23

$5,324 CAD

£3,001 GBP

View

Retailer 24

$5,437 CAD

$3,892 USD

View

Retailer 25

$5,532 CAD

$3,960 USD

View

Price last confirmed 15 days ago

Most Expensive

Brilliant Earth

20473618A · Oct 31

$5,532 CAD

$3,960 USD

View

25 more retailers have this diamond

Prices start from $1,347 CADSave up to $4,185 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.

Where to buy this spec

See every retailer carrying 1.55ct E FL marquise lab-grown

Ranked by inventory count, with return policy, certs, and trust signals.

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