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Marquise|Lab Grown|IGI

1.42ct G VS2 Marquise Lab Grown Diamond

ID • G/VS2 • IGI LG791631121

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG791631121

Diamond specifications and retailer prices

From $1,509 AUD
$1,060 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $1,509 AUD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 1.42ct lab-grown marquise diamond

This 1.42ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG791631121 or 791631121. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.42
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791631121
Dimensions12.10 × 5.91 × 3.56 mm
L/W Ratio2.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.10 mm5.91 mm1.42 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791631121
Side View
Table 62.0%Crown 34.7°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: $747 AUD|Low: $474 AUD|High: $747 AUD|Avg: $565 AUD
Retailer 1
Retailer 2
May 1, 2026
Retailer 2$474 AUD
Retailer 1$747 AUD

2 data points across 2 retailers

1 retailer

B
Brilliant Earth
18775684A · Oct 31
$1,509 AUD
$1,060 USD
View

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B
1.42ct Marquise
$1,509 AUD