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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG818682574

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818682574

Diamond specifications and retailer prices

From $357 CAD
$255 USD
As of October 27, 2026
Save $2,218 CAD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,575 CAD at Brilliant Earth · As of October 28, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818682574 or 818682574. Listed at 22 retailers as of October 27, 2026, with prices from $357 to $2,575, a $2,218 spread on the same certified stone. Brilliant Earth lists it at $2,575. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818682574
Dimensions12.04 × 6.09 × 3.80 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.04 mm6.09 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818682574
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
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: $2,575 CAD|Low: $346 CAD|High: $3,065 CAD|Avg: $1,048 CAD|-8.5%
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
October 29, 2026
Retailer 10$357 CAD
Retailer 11$397 CAD
Retailer 6$414 CAD
Retailer 3$442 CAD
Retailer 5$442 CAD
Retailer 16$520 CAD
Retailer 20$665 CAD
Retailer 18$739 CAD
Retailer 19$760 CAD
Retailer 7$763 CAD
Retailer 2$841 CAD
Retailer 17$918 CAD
Retailer 21$1,032 CAD
Retailer 12$1,359 CAD
Retailer 8$1,381 CAD
Retailer 13$1,391 CAD
Retailer 4$1,422 CAD
Retailer 14$1,424 CAD
Retailer 9$1,495 CAD
Retailer 15$1,783 CAD
Brilliant Earth$2,575 CAD

26 data points across 21 retailers

22 retailers$357 CAD to $2,575 CAD

A
Cheapest Retailer
-
$357 CAD
$255 USD
A
Retailer 2
-
$397 CAD
$284 USD
View
Final sale: no returns
A
Retailer 3
-
$414 CAD
$296 USD
View
A
Retailer 4
-
$442 CAD
$316 USD
View
A
Retailer 5
-
$442 CAD
$316 USD
View
A
Retailer 6
-
$520 CAD
£293 GBP
View
A
Retailer 7
-
$665 CAD
$475 USD
View
A
Retailer 8
-
$739 CAD
$528 USD
View
A
Retailer 9
-
$760 CAD
ZAR 8,776 ZAR
View
A
Retailer 10
-
$763 CAD
$545 USD
View
A
Retailer 11
-
$841 CAD
£473 GBP
View
A
Retailer 12
-
$918 CAD
$656 USD
View
B+
Retailer 13
-
$1,032 CAD
A$1,134 AUD
View
B+
Retailer 14
-
$1,359 CAD
$971 USD
View
B+
Retailer 15
-
$1,381 CAD
$987 USD
View
B+
Retailer 16
-
$1,391 CAD
A$1,529 AUD
View
B+
Retailer 17
-
$1,422 CAD
$1,016 USD
View
B+
Retailer 18
-
$1,424 CAD
SGD 1,375 SGD
View
B+
Retailer 19
-
$1,495 CAD
$1,068 USD
View
B
Retailer 20
-
$1,741 CAD
$1,244 USD
View
B
Retailer 21
-
$1,783 CAD
£1,003 GBP
View
Most Expensive
B
Brilliant Earth
21636411A · Oct 28
$2,575 CAD
$1,840 USD
View
21 more retailers have this diamond
Prices start from $357 CADSave up to $2,218 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.

A
1.55ct Marquise
$357 CAD