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Marquise|Lab Grown|IGI

1.55ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG840635857

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840635857

Diamond specifications and retailer prices

From $356 CAD
As of November 4, 2026
Save $1,578 CAD (82%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,934 CAD at With Clarity · As of November 5, 2026
View at With Clarity

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 LG840635857 or 840635857. Listed at 14 retailers as of November 4, 2026, with prices from $356 to $1,934, a $1,578 spread on the same certified stone. With Clarity lists it at $1,934. 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 angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840635857
Dimensions12.44 × 5.97 × 3.60 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.44 mm5.97 mm1.55 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840635857
Side View
Table 61.0%Crown 34.5°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 60.3%

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: Nov 4
Current: $1,612 CAD|Low: $356 CAD|High: $2,013 CAD|Avg: $1,203 CAD|-10.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
With Clarity
November 5, 2026
Retailer 7$356 CAD
Retailer 10$413 CAD
Retailer 6$515 CAD
Retailer 3$742 CAD
Retailer 4$925 CAD
Retailer 12$929 CAD
Retailer 2$971 CAD
Retailer 11$1,054 CAD
Retailer 9$1,359 CAD
Retailer 8$1,422 CAD
Retailer 1$1,612 CAD
Retailer 13$1,807 CAD
Retailer 5$1,891 CAD
With Clarity$1,934 CAD

31 data points across 14 retailers

14 retailers$356 CAD to $1,934 CAD

A
Cheapest Retailer
-
$356 CAD
A
Retailer 2
-
$413 CAD
View
A
Retailer 3
-
$515 CAD
View
Retailer 4
-
$742 CAD
View
Price last confirmed 11 days ago
B+
Retailer 5
-
$925 CAD
View
B+
Retailer 6
-
$929 CAD
View
B+
Retailer 7
-
$971 CAD
View
B+
Retailer 8
-
$1,054 CAD
View
B+
Retailer 9
-
$1,359 CAD
View
B+
Retailer 10
-
$1,422 CAD
View
B
Retailer 11
-
$1,612 CAD
View
B
Retailer 12
-
$1,807 CAD
View
Retailer 13
-
$1,891 CAD
View
Price last confirmed 24 days ago
Most Expensive
B
With Clarity
840635857 · Nov 5
$1,934 CAD
$1,385 USD
View
13 more retailers have this diamond
Prices start from $356 CADSave up to $1,578 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
$356 CAD