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Radiant|Lab Grown|IGI

3.12ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG662419007

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

Certificate IGI LG662419007

Diamond specifications and retailer prices

From $8,857 CAD
£4,983 GBP
As of October 29, 2026
1 retailer carries this diamond
Only listing: $8,857 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 3.12ct lab-grown radiant diamond

This 3.12ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG662419007 or 662419007. 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. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.12
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.3°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG662419007
Dimensions10.56 × 7.18 × 4.70 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.56 mm7.18 mm3.12 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG662419007
Side View
Table 64.0%Crown 42.3°Girdle: MED-STKPavilion 31.5°CuletDepth 65.5%

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: $8,857 CAD|Low: $8,857 CAD|High: $8,857 CAD|Avg: $8,857 CAD
September 26, 2026
Diamond Quarter$8,857 CAD

1 data point across 1 retailer

1 retailer

B
Diamond Quarter
3.12IFELG074D47N · Oct 29
$8,857 CAD
£4,983 GBP
View

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B
3.12ct Radiant
$8,857 CAD