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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 €2,965 EUR
$3,300 USD
As of October 29, 2026
Save €7,614 EUR (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €10,579 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 €2,965 to €10,579, a €7,614 spread on the same certified stone. Adiamor lists it at €10,579. 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
Colour
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

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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: €10,579 EUR|Low: €2,087 EUR|High: €10,579 EUR|Avg: €5,799 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€2,965 EUR
Retailer 4€3,029 EUR
Retailer 5€3,212 EUR
Retailer 6€3,402 EUR
Retailer 2€4,149 EUR
Retailer 7€4,411 EUR
Retailer 12€4,774 EUR
Retailer 11€5,176 EUR
Retailer 8€7,675 EUR
Retailer 9€7,713 EUR
Retailer 10€10,440 EUR
Adiamor€10,579 EUR

42 data points across 12 retailers

14 retailers€2,965 EUR to €10,579 EUR

Retailer 1
-
€2,507 EUR
$2,790 USD
Price last confirmed 24 days ago
A
Retailer 2
-
€2,965 EUR
$3,300 USD
View
Final sale: no returns
Retailer 3
-
€3,029 EUR
$3,371 USD
View
Price last confirmed 17 days ago
Retailer 4
-
€3,029 EUR
$3,371 USD
View
Price last confirmed 24 days ago
A
Retailer 5
-
€3,212 EUR
$3,575 USD
View
A
Retailer 6
-
€3,402 EUR
$3,786 USD
View
A
Retailer 7
-
€4,149 EUR
£3,636 GBP
View
A
Retailer 8
-
€4,411 EUR
$4,910 USD
View
A
Retailer 9
-
€4,774 EUR
$5,313 USD
View
A
Retailer 10
-
€5,176 EUR
£4,536 GBP
View
B+
Retailer 11
-
€7,675 EUR
$8,543 USD
View
B+
Retailer 12
-
€7,713 EUR
$8,585 USD
View
B
Retailer 13
-
€10,440 EUR
$11,620 USD
View
Most Expensive
B
Adiamor
D-82381377 · Oct 30
€10,579 EUR
$11,774 USD
View
13 more retailers have this diamond
Prices start from €2,965 EURSave up to €7,614 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
€2,965 EUR