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Round|Lab Grown|IGI

1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG621455497

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621455497

Diamond specifications and retailer prices

From $300 CAD
As of November 3, 2026
Save $1,190 CAD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,490 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 LG621455497 or 621455497. Listed at 14 retailers as of November 3, 2026, with prices from $300 to $1,490, a $1,190 spread on the same certified stone. MOH London lists it at $1,490. 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 angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621455497
Dimensions7.48 × 7.42 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.48 mm7.42 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621455497
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

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: Nov 3
Current: $1,490 CAD|Low: $260 CAD|High: $1,522 CAD|Avg: $746 CAD|-2.1%
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
Retailer 15
November 5, 2026
Retailer 12$300 CAD
Retailer 10$349 CAD
Retailer 9$373 CAD
Retailer 15$373 CAD
Retailer 8$578 CAD
Retailer 4$617 CAD
Retailer 5$638 CAD
Retailer 14$645 CAD
Retailer 2$682 CAD
Retailer 3$834 CAD
Retailer 13$1,198 CAD
Retailer 11$1,202 CAD
Retailer 7$1,243 CAD
Retailer 6$1,311 CAD
MOH London$1,490 CAD

38 data points across 15 retailers

14 retailers$300 CAD to $1,490 CAD

A
Cheapest Retailer
-
$300 CAD
A
Retailer 2
-
$349 CAD
View
A
Retailer 3
-
$373 CAD
View
Retailer 4
-
$373 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$578 CAD
View
A
Retailer 6
-
$617 CAD
View
B+
Retailer 7
-
$638 CAD
View
B+
Retailer 8
-
$682 CAD
View
B+
Retailer 9
-
$834 CAD
View
B
Retailer 10
-
$1,198 CAD
View
B
Retailer 11
-
$1,202 CAD
View
B
Retailer 12
-
$1,243 CAD
View
B
Retailer 13
-
$1,311 CAD
View
Most Expensive
B
MOH London
LG621455497 · Nov 5
$1,490 CAD
£840 GBP
View
13 more retailers have this diamond
Prices start from $300 CADSave up to $1,190 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
$300 CAD