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Marquise|Lab Grown|IGI

1.23ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG814623842

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG814623842

Diamond specifications and retailer prices

From $394 CAD
As of November 4, 2026
Save $2,741 CAD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,135 CAD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG814623842 or 814623842. Listed at 13 retailers as of November 4, 2026, with prices from $394 to $3,135, a $2,741 spread on the same certified stone. Do Amore Diamonds lists it at $3,135. 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 angle34.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814623842
Dimensions11.16 × 5.66 × 3.48 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.16 mm5.66 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814623842
Side View
Table 60.0%Crown 34.1°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 61.5%

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: $3,135 CAD|Low: $394 CAD|High: $3,135 CAD|Avg: $1,207 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 5$394 CAD
Retailer 3$535 CAD
Retailer 6$642 CAD
Retailer 13$662 CAD
Retailer 10$730 CAD
Retailer 2$836 CAD
Retailer 11$1,031 CAD
Retailer 7$1,184 CAD
Retailer 9$1,343 CAD
Retailer 4$1,784 CAD
Retailer 12$1,895 CAD
Retailer 8$1,934 CAD
Do Amore Diamonds$3,135 CAD

10 data points across 13 retailers

13 retailers$394 CAD to $3,135 CAD

A
Cheapest Retailer
-
$394 CAD
Final sale: no returns
A
Retailer 2
-
$535 CAD
View
A
Retailer 3
-
$642 CAD
View
A
Retailer 4
-
$662 CAD
View
A
Retailer 5
-
$730 CAD
View
B+
Retailer 6
-
$836 CAD
View
Retailer 7
-
$1,031 CAD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$1,184 CAD
View
B
Retailer 9
-
$1,343 CAD
View
B
Retailer 10
-
$1,784 CAD
View
B
Retailer 11
-
$1,895 CAD
View
B
Retailer 12
-
$1,934 CAD
View
Most Expensive
B
Do Amore Diamonds
27-7389A6E4E · Nov 4
$3,135 CAD
$2,250 USD
View
12 more retailers have this diamond
Prices start from $394 CADSave up to $2,741 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
$394 CAD