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Heart|Lab Grown|IGI

1.50ct F SI1 Heart Lab Grown Diamond

ID • F/SI1 • IGI LG636479171

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG636479171

Diamond specifications and retailer prices

From $290 CAD
As of November 6, 2026
Save $938 CAD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,335 CAD at Brilliant Earth · As of October 18, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG636479171 or 636479171. Listed at 14 retailers as of November 6, 2026, with a 324% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG636479171
Dimensions7.17 × 8.05 × 4.54 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.17 mm8.05 mm1.50 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG636479171
Side View
Table 62.0%Crown 31.1°Girdle: STK-THKPavilion 38.1°Culet: NoneDepth 56.4%

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: $2,335 CAD|Low: $279 CAD|High: $2,335 CAD|Avg: $805 CAD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 4$290 CAD
Retailer 6$336 CAD
Retailer 8$359 CAD
Retailer 11$359 CAD
Retailer 5$456 CAD
Retailer 3$622 CAD
Retailer 7$651 CAD
Retailer 2$1,153 CAD
Retailer 10$1,158 CAD
Retailer 9$1,685 CAD
Brilliant Earth$2,335 CAD

41 data points across 11 retailers

14 retailers$290 CAD to $1,228 CAD

A
Cheapest Retailer
-
$290 CAD
A
Retailer 2
-
$336 CAD
View
A
Retailer 3
-
$359 CAD
View
Retailer 4
-
$359 CAD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$456 CAD
View
B+
Retailer 6
-
$622 CAD
View
B+
Retailer 7
-
$647 CAD
View
A
Retailer 8
-
$651 CAD
View
B+
Retailer 9
-
$717 CAD
View
B
Retailer 10
-
$1,153 CAD
View
B
Retailer 11
-
$1,158 CAD
View
B
Retailer 12
-
$1,228 CAD
View
Retailer 13
-
$1,685 CAD
View
Price last confirmed 8 days ago
Most Expensive
Brilliant Earth
15813751A · Oct 18
$2,335 CAD
$1,660 USD
View
Price last confirmed 18 days ago
13 more retailers have this diamond
Prices start from $290 CADSave up to $938 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
$290 CAD