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Marquise|Lab Grown|IGI

1.42ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG803601729

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG803601729

Diamond specifications and retailer prices

From $1,441 AUD
$1,010 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: $1,441 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803601729 or 803601729. Listed at a single retailer as of November 2, 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803601729
Dimensions11.81 × 5.64 × 3.65 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.81 mm5.64 mm1.42 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803601729
Side View
Table 62.0%Crown 35.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 64.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $1,441 AUD|Low: $598 AUD|High: $1,598 AUD|Avg: $1,033 AUD|-5.6%
Brilliant Earth
Retailer 2
Retailer 3
August 19, 2026
Retailer 2$598 AUD
Retailer 3$723 AUD
Brilliant Earth$1,441 AUD

7 data points across 3 retailers

1 retailer

B
Brilliant Earth
19869246AB · Nov 2
$1,441 AUD
$1,010 USD
View

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B
1.42ct Marquise
$1,441 AUD