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Radiant|Lab Grown|IGI

3.09ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG671473230

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

Certificate IGI LG671473230

Diamond specifications and retailer prices

From $1,881 CAD
£1,059 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,881 CAD 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 LG671473230 or 671473230. Listed at a single retailer as of October 29, 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671473230
Dimensions10.22 × 7.16 × 4.81 mm
L/W Ratio1.43
Culet sizePointed
Top View
10.22 mm7.16 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671473230
Side View
Table 66.0%Crown 45°Girdle: MED-STKPavilion 34.8°Culet: NoneDepth 67.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $1,047 CAD|Low: $376 CAD|High: $3,467 CAD|Avg: $1,366 CAD|-24.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
June 15, 2026
Retailer 7$926 CAD
Retailer 1$1,047 CAD
Retailer 6$1,134 CAD
Retailer 4$1,206 CAD
Retailer 5$1,265 CAD
Retailer 3$1,468 CAD
Retailer 2$2,022 CAD

73 data points across 7 retailers

1 retailer

B
Diamond Quarter
3.09SI1DLG301EDBN · Oct 29
$1,881 CAD
£1,059 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
$1,881 CAD