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Heart|Lab Grown|IGI

1.50ct E SI1 Heart Lab Grown Diamond

EX • E/SI1 • IGI LG741510153

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG741510153

Diamond specifications and retailer prices

From $302 CAD
As of November 6, 2026
Save $1,203 CAD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,505 CAD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.5ct lab-grown heart diamond

This 1.5ct lab-grown heart 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 LG741510153 or 741510153. Listed at 17 retailers as of November 6, 2026, with prices from $302 to $1,505, a $1,203 spread on the same certified stone. Brilliant Earth lists it at $1,505. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741510153
Dimensions7.32 × 7.76 × 4.64 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.32 mm7.76 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741510153
Side View
Table 55.0%Crown 33.6°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 59.8%

Caratlytics Score

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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: $1,505 CAD|Low: $298 CAD|High: $1,741 CAD|Avg: $821 CAD|-6.1%
Brilliant Earth
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 12$302 CAD
Retailer 4$350 CAD
Retailer 5$374 CAD
Retailer 7$385 CAD
Retailer 8$388 CAD
Retailer 10$640 CAD
Retailer 16$643 CAD
Retailer 2$664 CAD
Retailer 9$686 CAD
Retailer 6$741 CAD
Retailer 15$1,010 CAD
Retailer 13$1,204 CAD
Retailer 3$1,227 CAD
Retailer 14$1,277 CAD
Retailer 11$1,497 CAD
Brilliant Earth$1,505 CAD

45 data points across 16 retailers

17 retailers$302 CAD to $1,505 CAD

A
Cheapest Retailer
-
$302 CAD
A
Retailer 2
-
$350 CAD
View
A
Retailer 3
-
$374 CAD
View
Retailer 4
-
$385 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$388 CAD
View
Final sale: no returns
B+
Retailer 6
-
$640 CAD
View
B+
Retailer 7
-
$643 CAD
View
B+
Retailer 8
-
$664 CAD
View
B+
Retailer 9
-
$686 CAD
View
B+
Retailer 10
-
$741 CAD
View
B+
Retailer 11
-
$765 CAD
View
B+
Retailer 12
-
$1,010 CAD
View
B
Retailer 13
-
$1,204 CAD
View
B
Retailer 14
-
$1,227 CAD
View
B
Retailer 15
-
$1,277 CAD
View
B
Retailer 16
-
$1,497 CAD
View
Most Expensive
B
Brilliant Earth
16911377A · Nov 6
$1,505 CAD
$1,070 USD
View
16 more retailers have this diamond
Prices start from $302 CADSave up to $1,203 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 Heart
$302 CAD