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Radiant|Lab Grown|IGI

1.21ct G VS2 Radiant Lab Grown Diamond

VG • G/VS2 • IGI LG519240459

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG519240459

Diamond specifications and retailer prices

From €1,107 EUR
$1,237 USD
As of November 1, 2026
2 retailers carry this diamond
Only listing: €1,107 EUR at Loose Grown Diamond
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 Loose Grown Diamond

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG519240459 or 519240459. Listed at 2 retailers as of November 1, 2026. 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

1.21
Carat
G
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519240459
Dimensions7.42 × 5.23 × 3.64 mm
L/W Ratio1.42
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
7.42 mm5.23 mm1.21 ctG / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519240459
Side View
Table 61.5%Crown 37.3°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 69.6%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 1
Current: €1,107 EUR|Low: €845 EUR|High: €3,292 EUR|Avg: €1,552 EUR|+2.1%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 3€845 EUR
Retailer 4€850 EUR
Loose Grown Diamond€1,107 EUR
Retailer 5€1,277 EUR
Retailer 6€1,951 EUR
Retailer 2€3,292 EUR

3 data points across 6 retailers

2 retailers

C
Loose Grown Diamond
519240459 · Nov 1
€1,107 EUR
$1,237 USD
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C
1.21ct Radiant
€1,107 EUR