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Radiant|Lab Grown|IGI

1.23ct E VS2 Radiant Lab Grown Diamond

VG • E/VS2 • IGI LG591376508

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

Certificate IGI LG591376508

Diamond specifications and retailer prices

From $775 CAD
£437 GBP
As of October 29, 2026
Save $1,069 CAD (58%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,844 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG591376508 or 591376508. Listed at 2 retailers as of October 29, 2026, with prices from $775 to $1,844, a $1,069 spread on the same certified stone. Brilliant Earth lists it at $1,844. 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

1.23
Carat
E
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591376508
Dimensions7.92 × 5.22 × 3.36 mm
L/W Ratio1.52
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
7.92 mm5.22 mm1.23 ctE / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591376508
Side View
Table 59.0%Crown 41.9°Girdle: Slightly ThickPavilion 30.4°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,844 CAD|Low: $134 CAD|High: $1,844 CAD|Avg: $776 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
September 2, 2026
Retailer 3$189 CAD
Retailer 5$405 CAD
Retailer 4$461 CAD
Retailer 2$499 CAD
Retailer 10$754 CAD
Retailer 6$821 CAD
Retailer 7$902 CAD
Retailer 9$1,074 CAD
Retailer 8$1,500 CAD
Brilliant Earth$1,844 CAD

64 data points across 10 retailers

2 retailers$775 CAD to $1,844 CAD

B+
Cheapest Retailer
-
$775 CAD
£437 GBP
Most Expensive
C
Brilliant Earth
14341767A · Oct 29
$1,844 CAD
$1,320 USD
View
1 more retailer has this diamond
Prices start from $775 CADSave up to $1,069 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.

B+
1.23ct Radiant
$775 CAD