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Marquise|Lab Grown|IGI

1.23ct G VS2 Marquise Lab Grown Diamond

GD • G/VS2 • IGI LG451074030

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG451074030

Diamond specifications and retailer prices

From €1,483 EUR
$1,657 USD
As of November 1, 2026
1 retailer carries this diamond
Only listing: €1,483 EUR at B2C Jewels
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 B2C Jewels

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG451074030 or 451074030. Listed at a single retailer as of November 1, 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

1.23
Carat
G
Color
VS2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.8°
Pavilion angle44.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451074030
Dimensions9.97 × 5.45 mm
L/W Ratio1.83
Girdle conditionFaceted
Culet sizePointed
Top View
9.97 mm5.45 mm1.23 ctG / VS2
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG451074030
Side View
Table 62.0%Crown 32.8°Girdle: MED-VTKPavilion 44.2°Culet: NoneDepth 71.7%

Caratlytics Score

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Average
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Price History

Last verified: Nov 1
Current: €1,483 EUR|Low: €1,418 EUR|High: €2,408 EUR|Avg: €1,789 EUR|-38.4%
September 23, 2026
B2C Jewels€1,483 EUR

4 data points across 1 retailer

1 retailer

C
B2C Jewels
19021066 · Nov 1
€1,483 EUR
$1,657 USD
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C
1.23ct Marquise
€1,483 EUR