Marquise|Lab Grown|IGI

1.55ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG812621506

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812621506

Diamond specifications and retailer prices

From $972 CAD
$692 USD
As of October 28, 2026
Save $3,725 CAD (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,697 CAD at MOH London · As of October 29, 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 LG812621506 or 812621506. Listed at 25 retailers as of October 28, 2026, with prices from $972 to $4,697, a $3,725 spread on the same certified stone. MOH London lists it at $4,697. 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 angle34.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621506
Dimensions11.73 × 6.06 × 3.71 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.73 mm6.06 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621506
Side View
Table 61.0%Crown 34.6°Girdle: MediumPavilion 39.7°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $4,697 CAD|Low: $841 CAD|High: $4,697 CAD|Avg: $2,190 CAD|+9.7%
MOH London
Retailer 2
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Retailer 21
October 29, 2026
Retailer 9$877 CAD
Retailer 19$972 CAD
Retailer 10$1,087 CAD
Retailer 11$1,087 CAD
Retailer 16$1,257 CAD
Retailer 3$1,475 CAD
Retailer 21$1,514 CAD
Retailer 17$1,649 CAD
Retailer 5$1,652 CAD
Retailer 15$1,678 CAD
Retailer 2$1,850 CAD
Retailer 6$2,530 CAD
Retailer 12$2,569 CAD
Retailer 8$2,597 CAD
Retailer 14$3,168 CAD
Retailer 18$3,242 CAD
Retailer 7$3,399 CAD
Retailer 4$3,477 CAD
Retailer 13$3,550 CAD
Retailer 20$4,495 CAD
MOH London$4,697 CAD

38 data points across 21 retailers

25 retailers$972 CAD to $4,697 CAD

A
Retailer 1
-
$877 CAD
$624 USD
Price last confirmed 21 days ago
A
Retailer 2
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$972 CAD
$692 USD
View
Final sale: no returns
A
Retailer 3
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$982 CAD
$699 USD
View
Price last confirmed 30 days ago
A
Retailer 4
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$1,073 CAD
$764 USD
View
Price last confirmed 34 days ago
A
Retailer 5
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$1,087 CAD
$774 USD
View
Price last confirmed 26 days ago
A
Retailer 6
-
$1,087 CAD
$774 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$1,257 CAD
$895 USD
View
A
Retailer 8
-
$1,475 CAD
$1,050 USD
View
A
Retailer 9
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$1,514 CAD
$1,078 USD
View
A
Retailer 10
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$1,649 CAD
$1,174 USD
View
A
Retailer 11
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$1,652 CAD
€1,120 EUR
View
A
Retailer 12
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$1,678 CAD
£941 GBP
View
A
Retailer 13
-
$1,850 CAD
ZAR 21,272 ZAR
View
B+
Retailer 14
-
$2,530 CAD
A$2,771 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$2,569 CAD
$1,829 USD
View
B+
Retailer 16
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$2,597 CAD
$1,849 USD
View
B+
Retailer 17
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$2,859 CAD
$2,035 USD
View
Price last confirmed 28 days ago
B+
Retailer 18
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$3,168 CAD
£1,776 GBP
View
Price last confirmed 18 days ago
B+
Retailer 19
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$3,242 CAD
$2,308 USD
View
B+
Retailer 20
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$3,399 CAD
$2,420 USD
View
B+
Retailer 21
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$3,468 CAD
$2,469 USD
View
B+
Retailer 22
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$3,477 CAD
$2,475 USD
View
B+
Retailer 23
-
$3,550 CAD
$2,527 USD
View
B
Retailer 24
-
$4,495 CAD
$3,200 USD
View
Most Expensive
B
MOH London
LG812621506 · Oct 29
$4,697 CAD
£2,633 GBP
View
24 more retailers have this diamond
Prices start from $972 CADSave up to $3,725 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
$972 CAD