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Marquise|Lab Grown|IGI

1.55ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG815641571

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG815641571

Diamond specifications and retailer prices

From $1,139 CAD
$811 USD
As of October 28, 2026
Save $1,831 CAD (62%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,970 CAD at MOH London · As of October 25, 2026
View at MOH London

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815641571 or 815641571. Listed at 2 retailers as of October 25, 2026, with prices from $1,139 to $2,970, a $1,831 spread on the same certified stone. MOH London lists it at $2,970. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815641571
Dimensions11.76 × 6.04 × 3.77 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.76 mm6.04 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815641571
Side View
Table 62.0%Crown 36.2°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $2,970 CAD|Low: $1,139 CAD|High: $4,818 CAD|Avg: $2,524 CAD|-37.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 2$1,139 CAD
Retailer 5$1,204 CAD
Retailer 6$1,490 CAD
Retailer 4$2,010 CAD
MOH London$2,970 CAD
Retailer 3$4,818 CAD

12 data points across 6 retailers

2 retailers$1,139 CAD to $2,970 CAD

A
Cheapest Retailer
-
$1,139 CAD
$811 USD
Most Expensive
B+
MOH London
LG815641571 · Oct 25
$2,970 CAD
£1,665 GBP
View
1 more retailer has this diamond
Prices start from $1,139 CADSave up to $1,831 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
$1,139 CAD