Marquise|Lab Grown|IGI

1.50ct H SI2 Marquise Lab Grown Diamond

ID • H/SI2 • IGI LG436046737

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436046737

Diamond specifications and retailer prices

From $1,299 CAD
$930 USD
As of October 30, 2026
Save $5,009 CAD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,309 CAD at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436046737 or 436046737. Listed at 10 retailers as of October 29, 2026, with prices from $1,299 to $6,309, a $5,009 spread on the same certified stone. MOH London lists it at $6,309. 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
H
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436046737
Dimensions11.05 × 6.05 × 3.82 mm
L/W Ratio1.83
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
11.05 mm6.05 mm1.50 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436046737
Side View
Table 55.5%Crown 35.5°Girdle: STK-THKPavilion 40.5°Culet: NoneDepth 63.1%

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: $6,309 CAD|Low: $1,299 CAD|High: $6,351 CAD|Avg: $3,186 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2$1,299 CAD
Retailer 4$1,886 CAD
Retailer 6$2,762 CAD
Retailer 3$3,097 CAD
Retailer 5$3,741 CAD
MOH London$6,309 CAD

11 data points across 6 retailers

10 retailers$1,299 CAD to $6,309 CAD

A
Cheapest Retailer
-
$1,299 CAD
$930 USD
B+
Retailer 2
-
$1,683 CAD
$1,205 USD
View
B+
Retailer 3
-
$1,831 CAD
$1,311 USD
View
B+
Retailer 4
-
$1,886 CAD
$1,350 USD
View
Final sale: no returns
Retailer 5
-
$1,953 CAD
$1,398 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,953 CAD
$1,398 USD
View
B
Retailer 7
-
$3,097 CAD
$2,217 USD
View
B
Retailer 8
-
$3,661 CAD
$2,621 USD
View
B
Retailer 9
-
$3,741 CAD
$2,678 USD
View
Most Expensive
B
MOH London
LG436046737 · Oct 29
$6,309 CAD
£3,556 GBP
View
9 more retailers have this diamond
Prices start from $1,299 CADSave up to $5,009 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
$1,299 CAD