Radiant|Lab Grown|IGI

12.57ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG791607296

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

Certificate IGI LG791607296

Diamond specifications and retailer prices

From $2,845 CAD
$2,036 USD
As of November 2, 2026
Save $14,902 CAD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $17,747 CAD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 12.57ct lab-grown radiant diamond

This 12.57ct 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 LG791607296 or 791607296. Listed at 23 retailers as of November 2, 2026, with prices from $2,845 to $17,747, a $14,902 spread on the same certified stone. Brilliant Earth lists it at $17,747. 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

12.57
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle22.7°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791607296
Dimensions16.93 × 11.53 × 7.53 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.93 mm11.53 mm12.57 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791607296
Side View
Table 64.0%Crown 22.7°Girdle: MED-STKPavilion 34.5°Culet: NoneDepth 65.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $17,747 CAD|Low: $2,556 CAD|High: $17,747 CAD|Avg: $6,793 CAD
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 14$2,845 CAD
Retailer 15$3,088 CAD
Retailer 9$3,095 CAD
Retailer 7$3,301 CAD
Retailer 21$3,535 CAD
Retailer 6$3,881 CAD
Retailer 11$4,059 CAD
Retailer 16$4,503 CAD
Retailer 22$4,536 CAD
Retailer 2$4,969 CAD
Retailer 19$5,109 CAD
Retailer 3$5,163 CAD
Retailer 13$5,218 CAD
Retailer 17$6,115 CAD
Retailer 10$6,261 CAD
Retailer 20$8,315 CAD
Retailer 8$8,892 CAD
Retailer 12$11,546 CAD
Retailer 5$12,328 CAD
Retailer 18$12,539 CAD
Retailer 4$14,041 CAD
Brilliant Earth$17,747 CAD

35 data points across 22 retailers

23 retailers$2,845 CAD to $17,747 CAD

A
Cheapest Retailer
-
$2,845 CAD
$2,036 USD
Retailer 2
-
$3,088 CAD
$2,210 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$3,095 CAD
$2,215 USD
View
A
Retailer 4
-
$3,301 CAD
$2,362 USD
View
A
Retailer 5
-
$3,535 CAD
$2,530 USD
View
A
Retailer 6
-
$3,881 CAD
HK$21,700 HKD
View
A
Retailer 7
-
$4,059 CAD
$2,905 USD
View
A
Retailer 8
-
$4,503 CAD
£2,537 GBP
View
A
Retailer 9
-
$4,536 CAD
$3,246 USD
View
A
Retailer 10
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$4,969 CAD
$3,556 USD
View
A
Retailer 11
-
$5,109 CAD
ZAR 59,064 ZAR
View
B+
Retailer 12
-
$5,163 CAD
$3,695 USD
View
A
Retailer 13
-
$5,218 CAD
€3,556 EUR
View
B+
Retailer 14
-
$6,115 CAD
A$6,732 AUD
View
A
Retailer 15
-
$6,261 CAD
£3,528 GBP
View
B+
Retailer 16
-
$8,315 CAD
$5,950 USD
View
B+
Retailer 17
-
$8,690 CAD
$6,219 USD
View
B+
Retailer 18
-
$8,892 CAD
$6,363 USD
View
B
Retailer 19
-
$11,546 CAD
$8,263 USD
View
B
Retailer 20
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$12,328 CAD
$8,822 USD
View
B
Retailer 21
-
$12,539 CAD
A$13,805 AUD
View
B
Retailer 22
-
$14,041 CAD
$10,048 USD
View
Most Expensive
B
Brilliant Earth
20999261A · Nov 2
$17,747 CAD
$12,700 USD
View
22 more retailers have this diamond
Prices start from $2,845 CADSave up to $14,902 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
12.57ct Radiant
$2,845 CAD