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Radiant|Lab Grown|IGI

12.51ct H VS2 Radiant Lab Grown Diamond

GD • H/VS2 • IGI LG578347071

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

Certificate IGI LG578347071

Diamond specifications and retailer prices

From €2,023 EUR
$2,260 USD
As of October 31, 2026
Save €9,094 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €11,117 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.51ct lab-grown radiant diamond

This 12.51ct lab-grown radiant sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG578347071 or 578347071. Listed at 11 retailers as of October 31, 2026, with prices from €2,023 to €11,117, a €9,094 spread on the same certified stone. Brilliant Earth lists it at €11,117. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

12.51
Carat
H
Color
VS2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578347071
Dimensions16.53 × 11.28 × 7.72 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.53 mm11.28 mm12.51 ctH / VS2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578347071
Side View
Table 66.0%Crown 43.6°Girdle: MediumPavilion 35.3°Culet: NoneDepth 68.4%

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 31
Current: €11,117 EUR|Low: €1,291 EUR|High: €13,695 EUR|Avg: €4,675 EUR|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 4€1,807 EUR
Retailer 6€2,023 EUR
Retailer 3€2,148 EUR
Retailer 10€2,443 EUR
Retailer 13€2,935 EUR
Retailer 2€3,056 EUR
Retailer 7€3,149 EUR
Retailer 11€3,874 EUR
Retailer 8€5,021 EUR
Retailer 12€6,561 EUR
Retailer 5€6,760 EUR
Retailer 9€7,224 EUR
Brilliant Earth€11,117 EUR

26 data points across 13 retailers

11 retailers€2,023 EUR to €11,117 EUR

A
Cheapest Retailer
-
€2,023 EUR
$2,260 USD
Retailer 2
-
€2,148 EUR
$2,400 USD
View
Price last confirmed 21 days ago
B+
Retailer 3
-
€2,443 EUR
$2,729 USD
View
B
Retailer 4
-
€2,935 EUR
$3,279 USD
View
B+
Retailer 5
-
€3,056 EUR
View
B+
Retailer 6
-
€3,149 EUR
$3,518 USD
View
B+
Retailer 7
-
€3,874 EUR
£3,408 GBP
View
B
Retailer 8
-
€5,021 EUR
$5,610 USD
View
Retailer 9
-
€6,561 EUR
$7,330 USD
View
Price last confirmed 13 days ago
B
Retailer 10
-
€7,224 EUR
$8,071 USD
View
Most Expensive
C
Brilliant Earth
7627244A · Oct 31
€11,117 EUR
$12,420 USD
View
10 more retailers have this diamond
Prices start from €2,023 EURSave up to €9,094 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
12.51ct Radiant
€2,023 EUR