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Cushion|Lab Grown|IGI

1.55ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG549293769

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG549293769

Diamond specifications and retailer prices

From $465 CAD
$332 USD
As of October 28, 2026
Save $1,003 CAD (68%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,538 CAD at MOH London · As of October 21, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG549293769 or 549293769. Listed at 5 retailers as of October 23, 2026, with a 216% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.55
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG549293769
Dimensions8.26 × 6.02 × 4.07 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
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
8.26 mm6.02 mm1.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG549293769
Side View
Table 60.0%Crown 32.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 67.6%

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 28
Current: $1,538 CAD|Low: $465 CAD|High: $1,548 CAD|Avg: $873 CAD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 24, 2026
Retailer 4$465 CAD
Retailer 2$529 CAD
Retailer 3$685 CAD
Retailer 6$696 CAD
Retailer 5$1,468 CAD
MOH London$1,538 CAD

37 data points across 6 retailers

5 retailers$465 CAD to $1,468 CAD

B+
Cheapest Retailer
-
$465 CAD
$332 USD
A
Retailer 2
-
$529 CAD
$378 USD
View
A
Retailer 3
-
$685 CAD
£385 GBP
View
B
Retailer 4
-
$1,468 CAD
$1,049 USD
View
Most Expensive
B
MOH London
LG549293769 · Oct 21
$1,538 CAD
£865 GBP
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from $465 CADSave up to $1,003 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
$465 CAD