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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG823644023

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG823644023

Diamond specifications and retailer prices

From $298 CAD
As of November 4, 2026
Save $1,181 CAD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,480 CAD at MOH London · As of November 2, 2026
View at MOH London

About this 1.23ct lab-grown marquise diamond

This 1.23ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG823644023 or 823644023. Listed at 15 retailers as of November 2, 2026, with prices from $298 to $1,480, a $1,181 spread on the same certified stone. MOH London lists it at $1,480. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823644023
Dimensions10.82 × 5.62 × 3.58 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.82 mm5.62 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823644023
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.7%

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: Nov 4
Current: $1,480 CAD|Low: $283 CAD|High: $1,499 CAD|Avg: $904 CAD|+0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 4, 2026
Retailer 14$298 CAD
Retailer 13$346 CAD
Retailer 7$410 CAD
Retailer 2$492 CAD
Retailer 15$634 CAD
Retailer 4$691 CAD
Retailer 8$903 CAD
Retailer 11$1,038 CAD
Retailer 9$1,045 CAD
Retailer 10$1,125 CAD
Retailer 3$1,187 CAD
Retailer 12$1,191 CAD
Retailer 5$1,198 CAD
Retailer 6$1,228 CAD
MOH London$1,480 CAD

40 data points across 15 retailers

15 retailers$298 CAD to $1,480 CAD

A
Cheapest Retailer
-
$298 CAD
A
Retailer 2
-
$346 CAD
View
A
Retailer 3
-
$410 CAD
View
A
Retailer 4
-
$492 CAD
View
A
Retailer 5
-
$634 CAD
View
A
Retailer 6
-
$691 CAD
View
B+
Retailer 7
-
$903 CAD
View
Retailer 8
-
$1,038 CAD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
$1,045 CAD
View
Retailer 10
-
$1,125 CAD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$1,187 CAD
View
B
Retailer 12
-
$1,191 CAD
View
B
Retailer 13
-
$1,198 CAD
View
B
Retailer 14
-
$1,265 CAD
View
Most Expensive
B
MOH London
LG823644023 · Nov 2
$1,480 CAD
£836 GBP
View
14 more retailers have this diamond
Prices start from $298 CADSave up to $1,181 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 Marquise
$298 CAD