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Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG591371622

Shape and cutting style on the report: Round brilliant

Certificate IGI LG591371622

Diamond specifications and retailer prices

From $297 CAD
As of November 5, 2026
Save $1,176 CAD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,474 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round 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 LG591371622 or 591371622. Listed at 15 retailers as of November 5, 2026, with prices from $297 to $1,474, a $1,176 spread on the same certified stone. MOH London lists it at $1,474. 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

1.54
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591371622
Dimensions7.51 × 7.48 × 4.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.51 mm7.48 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591371622
Side View
Table 59.0%Crown 33.2°Girdle: MediumPavilion 41°Culet: NoneDepth 60.2%

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: Nov 5
Current: $1,474 CAD|Low: $285 CAD|High: $1,509 CAD|Avg: $743 CAD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 9$297 CAD
Retailer 5$337 CAD
Retailer 4$345 CAD
Retailer 3$369 CAD
Retailer 11$369 CAD
Retailer 6$617 CAD
Retailer 10$633 CAD
Retailer 2$669 CAD
Retailer 13$831 CAD
Retailer 7$1,033 CAD
Retailer 12$1,186 CAD
Retailer 8$1,190 CAD
Retailer 14$1,193 CAD
MOH London$1,474 CAD

45 data points across 14 retailers

15 retailers$297 CAD to $1,474 CAD

A
Cheapest Retailer
-
$297 CAD
A
Retailer 2
-
$337 CAD
View
Final sale: no returns
A
Retailer 3
-
$345 CAD
View
Retailer 4
-
$369 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$369 CAD
View
A
Retailer 6
-
$411 CAD
View
A
Retailer 7
-
$617 CAD
View
B+
Retailer 8
-
$633 CAD
View
A
Retailer 9
-
$669 CAD
View
B+
Retailer 10
-
$831 CAD
View
B+
Retailer 11
-
$1,033 CAD
View
B
Retailer 12
-
$1,186 CAD
View
B
Retailer 13
-
$1,190 CAD
View
B
Retailer 14
-
$1,193 CAD
View
Most Expensive
B
MOH London
LG591371622 · Nov 5
$1,474 CAD
£831 GBP
View
14 more retailers have this diamond
Prices start from $297 CADSave up to $1,176 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
1.54ct Round
$297 CAD