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Marquise|Lab Grown|IGI

1.20ct G VS1 Marquise Lab Grown Diamond

GD • G/VS1 • IGI LG801682742

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801682742

Diamond specifications and retailer prices

From €722 EUR
$810 USD
As of November 2, 2026
1 retailer carries this diamond
Only listing: €722 EUR 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 1.2ct lab-grown marquise diamond

This 1.2ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG801682742 or 801682742. 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. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
G
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801682742
Dimensions11.70 × 5.56 × 3.18 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.70 mm5.56 mm1.20 ctG / VS1
OriginLab Grown
CutGood
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801682742
Side View
Table 69.0%Crown 33°Girdle: STK-THKPavilion 39.1°Culet: NoneDepth 57.2%

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: €458 EUR|Low: €117 EUR|High: €635 EUR|Avg: €434 EUR
Retailer 1
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Retailer 10
July 15, 2026
Retailer 4€117 EUR
Retailer 6€225 EUR
Retailer 3€301 EUR
Retailer 8€324 EUR
Retailer 1€458 EUR
Retailer 10€466 EUR
Retailer 2€524 EUR
Retailer 7€578 EUR
Retailer 5€601 EUR
Retailer 9€635 EUR

23 data points across 10 retailers

1 retailer

B
Brilliant Earth
20027907A · Nov 2
€722 EUR
$810 USD
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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.

B
1.20ct Marquise
€722 EUR