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Radiant|Lab Grown|IGI

3.09ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG658472722

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

Certificate IGI LG658472722

Diamond specifications and retailer prices

From €1,108 EUR
£979 GBP
As of November 2, 2026
1 retailer carries this diamond
Only listing: €1,108 EUR at Diamond Quarter
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 Diamond Quarter

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG658472722 or 658472722. 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. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.09
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658472722
Dimensions10.19 × 7.24 × 4.92 mm
L/W Ratio1.41
Top View
10.19 mm7.24 mm3.09 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658472722
Side View
Table 64.0%Crown 45°Girdle: MediumPavilion 36.3°CuletDepth 68.0%

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: €1,108 EUR|Low: €1,108 EUR|High: €1,108 EUR|Avg: €1,108 EUR
September 26, 2026
Diamond Quarter€1,108 EUR

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
3.09SI1FLG22F187N · Nov 2
€1,108 EUR
£979 GBP
View

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
3.09ct Radiant
€1,108 EUR