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Radiant|Lab Grown|IGI

3.09ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG675533229

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

Certificate IGI LG675533229

Diamond specifications and retailer prices

From €1,183 EUR
£1,041 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: €1,183 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG675533229 or 675533229. Listed at a single retailer as of October 31, 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675533229
Dimensions10.24 × 7.22 × 4.81 mm
L/W Ratio1.42
Culet sizePointed
Top View
10.24 mm7.22 mm3.09 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675533229
Side View
Table 63.0%Crown 44.9°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 66.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: €662 EUR|Low: €237 EUR|High: €4,699 EUR|Avg: €1,131 EUR|-24.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
June 14, 2026
Retailer 8€592 EUR
Retailer 1€662 EUR
Retailer 7€725 EUR
Retailer 4€765 EUR
Retailer 5€798 EUR
Retailer 3€966 EUR
Retailer 2€1,292 EUR
Retailer 6€4,690 EUR

70 data points across 8 retailers

1 retailer

B+
Diamond Quarter
3.09SI1DLG29CDFAN · Oct 31
€1,183 EUR
£1,041 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
€1,183 EUR