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Radiant|Lab Grown|IGI

12.70ct E VS2 Radiant Lab Grown Diamond

ID • E/VS2 • IGI LG812638491

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

Certificate IGI LG812638491

Diamond specifications and retailer prices

From $4,610 CAD
$3,300 USD
As of October 29, 2026
Save $11,837 CAD (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $16,447 CAD at Adiamor · As of October 30, 2026
View at Adiamor

About this 12.7ct lab-grown radiant diamond

This 12.7ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG812638491 or 812638491. Listed at 14 retailers as of October 29, 2026, with prices from $4,610 to $16,447, a $11,837 spread on the same certified stone. Adiamor lists it at $16,447. 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

12.70
Carat
E
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle30.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812638491
Dimensions15.88 × 11.33 × 7.63 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.88 mm11.33 mm12.70 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812638491
Side View
Table 63.0%Crown 45.8°Girdle: Slightly ThickPavilion 30.1°Culet: NoneDepth 67.3%

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 29
Current: $16,447 CAD|Low: $3,245 CAD|High: $16,447 CAD|Avg: $9,017 CAD|+0.0%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3$4,610 CAD
Retailer 4$4,709 CAD
Retailer 5$4,994 CAD
Retailer 6$5,289 CAD
Retailer 2$6,451 CAD
Retailer 7$6,859 CAD
Retailer 12$7,422 CAD
Retailer 11$8,047 CAD
Retailer 8$11,933 CAD
Retailer 9$11,992 CAD
Retailer 10$16,231 CAD
Adiamor$16,447 CAD

42 data points across 12 retailers

14 retailers$4,610 CAD to $16,447 CAD

Retailer 1
-
$3,897 CAD
$2,790 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$4,610 CAD
$3,300 USD
View
Final sale: no returns
Retailer 3
-
$4,709 CAD
$3,371 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$4,709 CAD
$3,371 USD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$4,994 CAD
$3,575 USD
View
A
Retailer 6
-
$5,289 CAD
$3,786 USD
View
A
Retailer 7
-
$6,451 CAD
£3,636 GBP
View
A
Retailer 8
-
$6,859 CAD
$4,910 USD
View
A
Retailer 9
-
$7,422 CAD
$5,313 USD
View
A
Retailer 10
-
$8,047 CAD
£4,536 GBP
View
B+
Retailer 11
-
$11,933 CAD
$8,543 USD
View
B+
Retailer 12
-
$11,992 CAD
$8,585 USD
View
B
Retailer 13
-
$16,231 CAD
$11,620 USD
View
Most Expensive
B
Adiamor
D-82381377 · Oct 30
$16,447 CAD
$11,774 USD
View
13 more retailers have this diamond
Prices start from $4,610 CADSave up to $11,837 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
12.70ct Radiant
$4,610 CAD