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Radiant|Lab Grown|IGI

1.50ct I SI2 Radiant Lab Grown Diamond

ID • I/SI2 • IGI LG499191895

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG499191895

Diamond specifications and retailer prices

From $1,182 CAD
As of November 6, 2026
Save $4,662 CAD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,843 CAD at MOH London · As of November 3, 2026
View at MOH London

About this 1.5ct lab-grown radiant diamond

This 1.5ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499191895 or 499191895. Listed at 9 retailers as of November 3, 2026, with prices from $1,182 to $5,843, a $4,662 spread on the same certified stone. MOH London lists it at $5,843. 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
I
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499191895
Dimensions7.64 × 5.56 × 4.03 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.64 mm5.56 mm1.50 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499191895
Side View
Table 62.0%Crown 40.3°Girdle: Slightly ThickPavilion 32.8°Culet: NoneDepth 72.5%

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 6
Current: $5,843 CAD|Low: $1,182 CAD|High: $5,922 CAD|Avg: $2,825 CAD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2$1,182 CAD
Retailer 3$1,568 CAD
Retailer 7$1,706 CAD
Retailer 4$1,819 CAD
Retailer 9$2,602 CAD
Retailer 5$2,893 CAD
Retailer 6$3,410 CAD
Retailer 8$3,690 CAD
MOH London$5,843 CAD

16 data points across 9 retailers

9 retailers$1,182 CAD to $5,843 CAD

A
Cheapest Retailer
-
$1,182 CAD
B+
Retailer 2
-
$1,568 CAD
View
B+
Retailer 3
-
$1,706 CAD
View
Retailer 4
-
$1,819 CAD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
$1,819 CAD
View
B
Retailer 6
-
$2,893 CAD
View
B
Retailer 7
-
$3,410 CAD
View
B
Retailer 8
-
$3,690 CAD
View
Most Expensive
B
MOH London
LG499191895 · Nov 3
$5,843 CAD
£3,271 GBP
View
8 more retailers have this diamond
Prices start from $1,182 CADSave up to $4,662 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 Radiant
$1,182 CAD