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Radiant|Lab Grown|IGI

12.38ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG848623789

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

Certificate IGI LG848623789

Diamond specifications and retailer prices

From $4,152 CAD
£2,340 GBP
As of October 24, 2026
2 retailers carry this diamond
Most expensive: $17,461 CAD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 12.38ct lab-grown radiant diamond

This 12.38ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG848623789 or 848623789. Listed at 2 retailers as of October 23, 2026. 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

12.38
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.6°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG848623789
Dimensions16.45 × 11.31 × 7.58 mm
L/W Ratio1.45
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.45 mm11.31 mm12.38 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG848623789
Side View
Table 68.0%Crown 46.6°Girdle: Slightly ThickPavilion 34.6°Culet: NoneDepth 67.0%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 24
Current: $17,461 CAD|Low: $4,152 CAD|High: $17,461 CAD|Avg: $10,807 CAD
Brilliant Earth
Retailer 2
October 24, 2026
Retailer 2$4,152 CAD
Brilliant Earth$17,461 CAD

2 data points across 2 retailers

2 retailers$4,152 CAD to $17,461 CAD

Retailer 1
-
$4,152 CAD
£2,340 GBP
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
22238145A · Oct 23
$17,461 CAD
$12,500 USD
View
Price last confirmed 9 days ago
1 more retailer has this diamond

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.

12.38ct Radiant
$4,152 CAD