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Radiant|Lab Grown|IGI

1.23ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG623483179

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

Certificate IGI LG623483179

Diamond specifications and retailer prices

From $330 CAD
As of November 4, 2026
Save $1,578 CAD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,908 CAD at Taylor and Hart · As of November 4, 2026
View at Taylor and Hart

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG623483179 or 623483179. Listed at 16 retailers as of November 4, 2026, with prices from $330 to $1,908, a $1,578 spread on the same certified stone. Taylor and Hart lists it at $1,908. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623483179
Dimensions7.54 × 5.37 × 3.51 mm
L/W Ratio1.40
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
7.54 mm5.37 mm1.23 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623483179
Side View
Table 62.0%Crown 43°Girdle: Slightly ThickPavilion 33.8°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $669 CAD|Low: $236 CAD|High: $1,908 CAD|Avg: $964 CAD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Taylor and Hart
November 4, 2026
Retailer 11$330 CAD
Retailer 10$628 CAD
Retailer 5$631 CAD
Retailer 2$637 CAD
Retailer 7$666 CAD
Retailer 1$669 CAD
Retailer 4$895 CAD
Retailer 9$941 CAD
Retailer 8$1,180 CAD
Retailer 6$1,466 CAD
Retailer 3$1,483 CAD
Taylor and Hart$1,908 CAD

41 data points across 12 retailers

16 retailers$330 CAD to $1,908 CAD

A
Cheapest Retailer
-
$330 CAD
Final sale: no returns
Retailer 2
-
$343 CAD
View
Price last confirmed 39 days ago
Retailer 3
-
$366 CAD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$628 CAD
View
A
Retailer 5
-
$631 CAD
View
A
Retailer 6
-
$637 CAD
View
A
Retailer 7
-
$666 CAD
View
A
Retailer 8
-
$669 CAD
View
B+
Retailer 9
-
$895 CAD
View
Retailer 10
-
$941 CAD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
$1,098 CAD
View
Retailer 12
-
$1,178 CAD
View
Price last confirmed 36 days ago
B
Retailer 13
-
$1,180 CAD
View
B
Retailer 14
-
$1,466 CAD
View
B
Retailer 15
-
$1,483 CAD
View
Most Expensive
B
Taylor and Hart
J5465LD · Nov 4
$1,908 CAD
$1,370 USD
View
15 more retailers have this diamond
Prices start from $330 CADSave up to $1,578 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
1.23ct Radiant
$330 CAD