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Radiant|Lab Grown|IGI

12.39ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG743507511

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

Certificate IGI LG743507511

Diamond specifications and retailer prices

From $3,348 CAD
$2,397 USD
As of October 30, 2026
Save $19,687 CAD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $32,799 CAD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.39ct lab-grown radiant diamond

This 12.39ct 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 LG743507511 or 743507511. Listed at 12 retailers as of October 30, 2026, with a 588% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

12.39
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743507511
Dimensions11.37 × 11.37 × 7.60 mm
L/W Ratio1.00
Culet sizePointed
Top View
11.37 mm11.37 mm12.39 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743507511
Side View
Table 65.0%Crown 46.1°Girdle: MediumPavilion 34.9°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,944 CAD|Low: $2,854 CAD|High: $23,035 CAD|Avg: $7,363 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 1, 2026
Retailer 3$2,854 CAD
Retailer 10$3,444 CAD
Retailer 9$3,986 CAD
Retailer 4$4,112 CAD
Retailer 7$4,277 CAD
Retailer 13$4,638 CAD
Retailer 16$5,456 CAD
Retailer 17$5,573 CAD
Retailer 5$5,684 CAD
Retailer 2$5,824 CAD
Retailer 12$6,484 CAD
Retailer 1$7,944 CAD
Retailer 8$9,044 CAD
Retailer 6$9,651 CAD
Retailer 14$10,878 CAD
Retailer 11$12,804 CAD
Retailer 15$23,035 CAD

10 data points across 17 retailers

12 retailers$3,348 CAD to $23,035 CAD

A
Cheapest Retailer
-
$3,348 CAD
$2,397 USD
A
Retailer 2
-
$3,444 CAD
£1,941 GBP
View
A
Retailer 3
-
$4,638 CAD
$3,320 USD
View
A
Retailer 4
-
$5,456 CAD
$3,906 USD
View
A
Retailer 5
-
$5,573 CAD
$3,990 USD
View
B+
Retailer 6
-
$5,824 CAD
$4,169 USD
View
B+
Retailer 7
-
$6,484 CAD
€4,421 EUR
View
B+
Retailer 8
-
$7,944 CAD
A$8,749 AUD
View
B
Retailer 9
-
$10,878 CAD
$7,787 USD
View
B
Retailer 10
-
$12,804 CAD
A$14,102 AUD
View
B
Retailer 11
-
$23,035 CAD
$16,490 USD
View
Most Expensive
Brilliant Earth
22300729A · Oct 31
$32,799 CAD
$23,480 USD
View
Price under review
11 more retailers have this diamond
Prices start from $3,348 CADSave up to $19,687 CAD

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.

A
12.39ct Radiant
$3,348 CAD