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Round|Lab Grown|IGI

1.50ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG447099957

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447099957

Diamond specifications and retailer prices

From $1,159 CAD
As of November 5, 2026
Save $4,868 CAD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,027 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099957 or 447099957. Listed at 12 retailers as of November 5, 2026, with prices from $1,159 to $6,027, a $4,868 spread on the same certified stone. MOH London lists it at $6,027. 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
J
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099957
Dimensions7.27 × 7.23 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.27 mm7.23 mm1.50 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099957
Side View
Table 59.5%Crown 36.3°Girdle: MED-STKPavilion 41.3°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: Nov 5
Current: $6,027 CAD|Low: $1,159 CAD|High: $6,116 CAD|Avg: $2,578 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 5, 2026
Retailer 7$1,159 CAD
Retailer 8$1,621 CAD
Retailer 13$1,764 CAD
Retailer 12$1,816 CAD
Retailer 9$1,881 CAD
Retailer 11$1,881 CAD
Retailer 6$2,053 CAD
Retailer 3$2,123 CAD
Retailer 2$2,445 CAD
Retailer 4$2,674 CAD
Retailer 10$2,987 CAD
Retailer 14$3,526 CAD
Retailer 5$3,707 CAD
MOH London$6,027 CAD

40 data points across 14 retailers

12 retailers$1,159 CAD to $6,027 CAD

A
Cheapest Retailer
-
$1,159 CAD
B+
Retailer 2
-
$1,621 CAD
View
B+
Retailer 3
-
$1,764 CAD
View
B+
Retailer 4
-
$1,816 CAD
View
Final sale: no returns
B+
Retailer 5
-
$1,881 CAD
View
Retailer 6
-
$1,881 CAD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$2,123 CAD
View
B+
Retailer 8
-
$2,445 CAD
View
B
Retailer 9
-
$2,987 CAD
View
B
Retailer 10
-
$3,526 CAD
View
B
Retailer 11
-
$3,707 CAD
View
Most Expensive
B
MOH London
LG447099957 · Nov 5
$6,027 CAD
£3,398 GBP
View
11 more retailers have this diamond
Prices start from $1,159 CADSave up to $4,868 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 Round
$1,159 CAD