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Cushion|Lab Grown|IGI

1.55ct E IF Cushion Lab Grown Diamond

EX • E/IF • IGI LG818620978

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG818620978

Diamond specifications and retailer prices

From $891 CAD
$638 USD
As of October 30, 2026
Save $1,860 CAD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $2,752 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion 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 LG818620978 or 818620978. Listed at 8 retailers as of October 29, 2026, with prices from $891 to $2,752, a $1,860 spread on the same certified stone. MOH London lists it at $2,752. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818620978
Dimensions6.70 × 6.64 × 4.23 mm
L/W Ratio1.01
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
6.70 mm6.64 mm1.55 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818620978
Side View
Table 58.0%Crown 37.1°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 63.7%

Caratlytics Score

How it works →
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 30
Current: $2,752 CAD|Low: $891 CAD|High: $2,771 CAD|Avg: $1,598 CAD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$891 CAD
Retailer 6$1,041 CAD
Retailer 3$1,126 CAD
Retailer 2$1,151 CAD
Retailer 7$1,538 CAD
Retailer 5$2,227 CAD
Retailer 8$2,302 CAD
MOH London$2,752 CAD

37 data points across 8 retailers

8 retailers$891 CAD to $2,752 CAD

A
Cheapest Retailer
-
$891 CAD
$638 USD
A
Retailer 2
-
$1,041 CAD
$745 USD
View
A
Retailer 3
-
$1,126 CAD
€768 EUR
View
A
Retailer 4
-
$1,151 CAD
£649 GBP
View
A
Retailer 5
-
$1,538 CAD
$1,101 USD
View
Retailer 6
-
$2,227 CAD
A$2,453 AUD
View
Price last confirmed 22 days ago
B+
Retailer 7
-
$2,302 CAD
$1,648 USD
View
Most Expensive
B+
MOH London
LG818620978 · Oct 29
$2,752 CAD
£1,551 GBP
View
7 more retailers have this diamond
Prices start from $891 CADSave up to $1,860 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 Cushion
$891 CAD