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Cushion|Lab Grown|IGI

0.54ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG571304399

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG571304399

Diamond specifications and retailer prices

From $346 CAD
$247 USD
As of October 25, 2026
Save $1,281 CAD (79%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,626 CAD at MOH London · As of October 29, 2026
View at MOH London

About this 0.54ct lab-grown cushion diamond

This 0.54ct lab-grown cushion sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG571304399 or 571304399. Listed at 4 retailers as of October 25, 2026, with prices from $346 to $1,626, a $1,281 spread on the same certified stone. MOH London lists it at $1,626. 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

0.54
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571304399
Dimensions5.19 × 4.32 × 2.88 mm
L/W Ratio1.20
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
5.19 mm4.32 mm0.54 ctE / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG571304399
Side View
Table 64.5%Crown 35°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 66.7%

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 25
Current: $1,626 CAD|Low: $346 CAD|High: $1,637 CAD|Avg: $817 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4$346 CAD
Retailer 6$393 CAD
Retailer 3$599 CAD
Retailer 2$634 CAD
Retailer 5$752 CAD
Retailer 7$1,390 CAD
MOH London$1,626 CAD

42 data points across 7 retailers

4 retailers$346 CAD to $1,626 CAD

A
Cheapest Retailer
-
$346 CAD
$247 USD
B
Retailer 2
-
$599 CAD
$428 USD
View
B
Retailer 3
-
$634 CAD
£357 GBP
View
Most Expensive
B
MOH London
LG571304399 · Oct 29
$1,626 CAD
£915 GBP
View
3 more retailers have this diamond
Prices start from $346 CADSave up to $1,281 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
0.54ct Cushion
$346 CAD