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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 €2,954 EUR
$3,300 USD
As of October 29, 2026
Save €7,585 EUR (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €10,539 EUR 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 €2,954 to €10,539, a €7,585 spread on the same certified stone. Adiamor lists it at €10,539. 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: €10,539 EUR|Low: €2,098 EUR|High: €10,539 EUR|Avg: €5,785 EUR|+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€2,954 EUR
Retailer 4€3,017 EUR
Retailer 5€3,200 EUR
Retailer 6€3,389 EUR
Retailer 2€4,134 EUR
Retailer 7€4,395 EUR
Retailer 12€4,756 EUR
Retailer 11€5,156 EUR
Retailer 8€7,646 EUR
Retailer 9€7,684 EUR
Retailer 10€10,401 EUR
Adiamor€10,539 EUR

41 data points across 12 retailers

14 retailers€2,954 EUR to €10,539 EUR

Retailer 1
-
€2,497 EUR
$2,790 USD
Price last confirmed 26 days ago
A
Retailer 2
-
€2,954 EUR
$3,300 USD
View
Final sale: no returns
Retailer 3
-
€3,017 EUR
$3,371 USD
View
Price last confirmed 19 days ago
Retailer 4
-
€3,017 EUR
$3,371 USD
View
Price last confirmed 26 days ago
A
Retailer 5
-
€3,200 EUR
$3,575 USD
View
A
Retailer 6
-
€3,389 EUR
$3,786 USD
View
A
Retailer 7
-
€4,134 EUR
£3,636 GBP
View
A
Retailer 8
-
€4,395 EUR
$4,910 USD
View
A
Retailer 9
-
€4,756 EUR
$5,313 USD
View
A
Retailer 10
-
€5,156 EUR
£4,536 GBP
View
B+
Retailer 11
-
€7,646 EUR
$8,543 USD
View
B+
Retailer 12
-
€7,684 EUR
$8,585 USD
View
B
Retailer 13
-
€10,401 EUR
$11,620 USD
View
Most Expensive
B
Adiamor
D-82381377 · Oct 30
€10,539 EUR
$11,774 USD
View
13 more retailers have this diamond
Prices start from €2,954 EURSave up to €7,585 EUR

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
€2,954 EUR