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Marquise|Lab Grown|IGI

1.50ct D SI1 Marquise Lab Grown Diamond

EX • D/SI1 • IGI LG835666080

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG835666080

Diamond specifications and retailer prices

From $309 CAD
$221 USD
As of October 30, 2026
Save $1,224 CAD (80%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,533 CAD at MOH London · As of October 26, 2026
View at MOH London

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG835666080 or 835666080. Listed at 8 retailers as of October 26, 2026, with prices from $309 to $1,533, a $1,224 spread on the same certified stone. MOH London lists it at $1,533. 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
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835666080
Dimensions11.72 × 6.03 × 3.73 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.72 mm6.03 mm1.50 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835666080
Side View
Table 62.0%Crown 35.4°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.9%

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: Oct 30
Current: $1,533 CAD|Low: $306 CAD|High: $1,602 CAD|Avg: $840 CAD|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 6$309 CAD
Retailer 3$358 CAD
Retailer 5$428 CAD
Retailer 2$641 CAD
Retailer 8$841 CAD
Retailer 7$1,228 CAD
Retailer 4$1,233 CAD
MOH London$1,533 CAD

25 data points across 8 retailers

8 retailers$309 CAD to $1,533 CAD

A
Cheapest Retailer
-
$309 CAD
$221 USD
A
Retailer 2
-
$358 CAD
$256 USD
View
Retailer 3
-
$428 CAD
£241 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$641 CAD
€437 EUR
View
B+
Retailer 5
-
$841 CAD
$602 USD
View
B
Retailer 6
-
$1,228 CAD
$879 USD
View
B
Retailer 7
-
$1,233 CAD
$883 USD
View
Most Expensive
B
MOH London
LG835666080 · Oct 26
$1,533 CAD
£864 GBP
View
7 more retailers have this diamond
Prices start from $309 CADSave up to $1,224 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
$309 CAD