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Radiant|Lab Grown|IGI

1.23ct F VVS1 Radiant Lab Grown Diamond

EX • F/VVS1 • IGI LG691548057

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

Certificate IGI LG691548057

Diamond specifications and retailer prices

From $638 CAD
As of November 4, 2026
Save $1,008 CAD (61%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,646 CAD at MOH London · As of November 5, 2026
View at MOH London

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG691548057 or 691548057. Listed at 8 retailers as of November 4, 2026, with prices from $638 to $1,646, a $1,008 spread on the same certified stone. MOH London lists it at $1,646. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691548057
Dimensions7.95 × 5.12 × 3.49 mm
L/W Ratio1.55
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.95 mm5.12 mm1.23 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691548057
Side View
Table 64.0%Crown 43.2°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 68.2%

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: $1,646 CAD|Low: $603 CAD|High: $129,234 CAD|Avg: $3,327 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 5$638 CAD
Retailer 7$642 CAD
Retailer 6$712 CAD
Retailer 2$771 CAD
Retailer 4$1,148 CAD
Retailer 3$1,194 CAD
Retailer 8$1,563 CAD
MOH London$1,646 CAD

42 data points across 8 retailers

8 retailers$638 CAD to $1,646 CAD

A
Cheapest Retailer
-
$638 CAD
A
Retailer 2
-
$642 CAD
View
A
Retailer 3
-
$712 CAD
View
B+
Retailer 4
-
$771 CAD
View
Retailer 5
-
$1,148 CAD
View
Price last confirmed 31 days ago
Retailer 6
-
$1,194 CAD
View
Price last confirmed 15 days ago
B
Retailer 7
-
$1,563 CAD
View
Most Expensive
B
MOH London
LG691548057 · Nov 5
$1,646 CAD
£928 GBP
View
7 more retailers have this diamond
Prices start from $638 CADSave up to $1,008 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
$638 CAD