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Marquise|Lab Grown|IGI

0.42ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG541254542

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG541254542

Diamond specifications and retailer prices

From $149 CAD
$107 USD
As of October 30, 2026
Save $1,406 CAD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,556 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 0.42ct lab-grown marquise diamond

This 0.42ct lab-grown marquise sits in the sub-half-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG541254542 or 541254542. Listed at 15 retailers as of October 26, 2026, with prices from $149 to $1,556, a $1,406 spread on the same certified stone. MOH London lists it at $1,556. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.42
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle33.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG541254542
Dimensions7.54 × 3.92 × 2.45 mm
L/W Ratio1.92
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
7.54 mm3.92 mm0.42 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG541254542
Side View
Table 60.5%Crown 33.7°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 62.5%

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 30
Current: $1,556 CAD|Low: $144 CAD|High: $1,572 CAD|Avg: $500 CAD|+0.2%
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
November 1, 2026
Retailer 9$149 CAD
Retailer 13$175 CAD
Retailer 3$198 CAD
Retailer 10$198 CAD
Retailer 7$335 CAD
Retailer 2$338 CAD
Retailer 6$370 CAD
Retailer 11$372 CAD
Retailer 8$449 CAD
Retailer 4$503 CAD
Retailer 12$598 CAD
Retailer 5$979 CAD
MOH London$1,556 CAD

44 data points across 13 retailers

15 retailers$149 CAD to $1,556 CAD

A
Cheapest Retailer
-
$149 CAD
$107 USD
A
Retailer 2
-
$175 CAD
$125 USD
View
Retailer 3
-
$198 CAD
$142 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$198 CAD
$142 USD
View
A
Retailer 5
-
$335 CAD
$240 USD
View
B+
Retailer 6
-
$338 CAD
ZAR 3,907 ZAR
View
B+
Retailer 7
-
$370 CAD
£208 GBP
View
B+
Retailer 8
-
$372 CAD
$266 USD
View
B+
Retailer 9
-
$375 CAD
HK$2,100 HKD
View
B+
Retailer 10
-
$449 CAD
£253 GBP
View
B+
Retailer 11
-
$503 CAD
$360 USD
View
B
Retailer 12
-
$598 CAD
$428 USD
View
B
Retailer 13
-
$679 CAD
$486 USD
View
B
Retailer 14
-
$979 CAD
£552 GBP
View
Most Expensive
B
MOH London
LG541254542 · Oct 26
$1,556 CAD
£877 GBP
View
14 more retailers have this diamond
Prices start from $149 CADSave up to $1,406 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
0.42ct Marquise
$149 CAD