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Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG745505078

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG745505078

Diamond specifications and retailer prices

From $400 CAD
As of November 4, 2026
Save $3,502 CAD (90%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,902 CAD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG745505078 or 745505078. Listed at 12 retailers as of November 4, 2026, with prices from $400 to $3,902, a $3,502 spread on the same certified stone. Brilliant Earth lists it at $3,902. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG745505078
Dimensions8.20 × 7.03 × 4.50 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.20 mm7.03 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG745505078
Side View
Table 60.0%Crown 35.1°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 54.9%

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 4
Current: $3,902 CAD|Low: $400 CAD|High: $4,640 CAD|Avg: $1,710 CAD|-14.9%
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
Retailer 17
November 5, 2026
Retailer 12$400 CAD
Retailer 17$463 CAD
Retailer 5$532 CAD
Retailer 3$794 CAD
Retailer 15$814 CAD
Retailer 4$863 CAD
Retailer 7$1,084 CAD
Retailer 8$1,173 CAD
Retailer 16$1,283 CAD
Retailer 14$1,359 CAD
Retailer 13$1,757 CAD
Retailer 10$1,937 CAD
Retailer 11$2,184 CAD
Retailer 9$2,271 CAD
Retailer 6$2,319 CAD
Retailer 2$3,539 CAD
Brilliant Earth$3,902 CAD

28 data points across 17 retailers

12 retailers$400 CAD to $3,902 CAD

A
Cheapest Retailer
-
$400 CAD
A
Retailer 2
-
$463 CAD
View
A
Retailer 3
-
$532 CAD
View
Final sale: no returns
A
Retailer 4
-
$794 CAD
View
A
Retailer 5
-
$814 CAD
View
A
Retailer 6
-
$863 CAD
View
A
Retailer 7
-
$1,283 CAD
View
A
Retailer 8
-
$1,359 CAD
View
B+
Retailer 9
-
$1,757 CAD
View
B+
Retailer 10
-
$2,184 CAD
View
B
Retailer 11
-
$3,539 CAD
View
Most Expensive
B
Brilliant Earth
21415803Y · Nov 4
$3,902 CAD
$2,800 USD
View
11 more retailers have this diamond
Prices start from $400 CADSave up to $3,502 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
1.54ct Heart
$400 CAD