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Heart|Lab Grown|IGI

1.55ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG635426777

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG635426777

Diamond specifications and retailer prices

From $432 CAD
$309 USD
As of October 30, 2026
Save $3,759 CAD (90%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $4,191 CAD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.55ct lab-grown heart diamond

This 1.55ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG635426777 or 635426777. Listed at 8 retailers as of October 30, 2026, with prices from $432 to $4,191, a $3,759 spread on the same certified stone. Brilliant Earth lists it at $4,191. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635426777
Dimensions8.03 × 6.96 × 4.68 mm
L/W Ratio1.15
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
8.03 mm6.96 mm1.55 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635426777
Side View
Table 57.0%Crown 39.8°Girdle: MED-STKPavilion 39°Culet: NoneDepth 58.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,191 CAD|Low: $305 CAD|High: $5,127 CAD|Avg: $1,466 CAD|-18.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 10$432 CAD
Retailer 8$698 CAD
Retailer 6$788 CAD
Retailer 11$811 CAD
Retailer 5$845 CAD
Retailer 12$855 CAD
Retailer 7$1,110 CAD
Retailer 9$1,180 CAD
Retailer 4$1,605 CAD
Retailer 2$1,923 CAD
Retailer 3$2,418 CAD
Brilliant Earth$4,191 CAD

28 data points across 12 retailers

8 retailers$432 CAD to $4,191 CAD

A
Cheapest Retailer
-
$432 CAD
$309 USD
Final sale: no returns
A
Retailer 2
-
$698 CAD
$500 USD
View
A
Retailer 3
-
$788 CAD
$564 USD
View
A
Retailer 4
-
$845 CAD
$605 USD
View
A
Retailer 5
-
$1,110 CAD
A$1,223 AUD
View
A
Retailer 6
-
$1,180 CAD
$845 USD
View
B+
Retailer 7
-
$1,923 CAD
£1,084 GBP
View
Most Expensive
B
Brilliant Earth
15304938A · Oct 30
$4,191 CAD
$3,000 USD
View
7 more retailers have this diamond
Prices start from $432 CADSave up to $3,759 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
1.55ct Heart
$432 CAD