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Marquise|Lab Grown|IGI

1.50ct E SI1 Marquise Lab Grown Diamond

ID • E/SI1 • IGI LG840628028

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG840628028

Diamond specifications and retailer prices

From $443 CAD
As of November 4, 2026
Save $2,099 CAD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,542 CAD at Do Amore Diamonds · As of November 5, 2026
View at Do Amore Diamonds

About this 1.5ct lab-grown marquise diamond

This 1.5ct lab-grown marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG840628028 or 840628028. Listed at 10 retailers as of November 4, 2026, with prices from $443 to $2,542, a $2,099 spread on the same certified stone. Do Amore Diamonds lists it at $2,542. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840628028
Dimensions11.94 × 5.78 × 3.79 mm
L/W Ratio2.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.94 mm5.78 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840628028
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 65.6%

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: $2,542 CAD|Low: $443 CAD|High: $2,542 CAD|Avg: $990 CAD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7$443 CAD
Retailer 2$459 CAD
Retailer 3$497 CAD
Retailer 9$637 CAD
Retailer 5$1,059 CAD
Retailer 8$1,222 CAD
Retailer 4$1,419 CAD
Retailer 6$1,461 CAD
Retailer 10$1,637 CAD
Do Amore Diamonds$2,542 CAD

5 data points across 10 retailers

10 retailers$443 CAD to $2,542 CAD

B+
Cheapest Retailer
-
$443 CAD
A
Retailer 2
-
$459 CAD
View
A
Retailer 3
-
$497 CAD
View
Retailer 4
-
$637 CAD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$1,059 CAD
View
B
Retailer 6
-
$1,222 CAD
View
B
Retailer 7
-
$1,419 CAD
View
B
Retailer 8
-
$1,461 CAD
View
Retailer 9
-
$1,637 CAD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-1220E159A · Nov 5
$2,542 CAD
$1,820 USD
View
9 more retailers have this diamond
Prices start from $443 CADSave up to $2,099 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
1.50ct Marquise
$443 CAD