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Heart|Lab Grown|IGI

3.55ct E SI1 Heart Lab Grown Diamond

ID • E/SI1 • IGI LG835634480

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835634480

Diamond specifications and retailer prices

From $778 CAD
As of November 6, 2026
Save $2,811 CAD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,589 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 3.55ct lab-grown heart diamond

This 3.55ct lab-grown heart sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG835634480 or 835634480. Listed at 15 retailers as of November 5, 2026, with prices from $778 to $3,589, a $2,811 spread on the same certified stone. MOH London lists it at $3,589. 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

3.55
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835634480
Dimensions10.74 × 9.18 × 6.26 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.74 mm9.18 mm3.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835634480
Side View
Table 63.0%Crown 37.1°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 58.3%

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 6
Current: $3,589 CAD|Low: $778 CAD|High: $3,682 CAD|Avg: $1,840 CAD|-2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$778 CAD
Retailer 6$935 CAD
Retailer 2$1,049 CAD
Retailer 5$1,055 CAD
Retailer 7$1,340 CAD
Retailer 3$1,419 CAD
Retailer 9$1,980 CAD
Retailer 4$2,041 CAD
Retailer 10$2,732 CAD
MOH London$3,589 CAD

41 data points across 10 retailers

15 retailers$778 CAD to $3,589 CAD

Retailer 1
-
$695 CAD
Price last confirmed 20 days ago
A
Retailer 2
-
$778 CAD
View
Final sale: no returns
Retailer 3
-
$788 CAD
View
Price last confirmed 38 days ago
Retailer 4
-
$859 CAD
View
Price last confirmed 40 days ago
Retailer 5
-
$862 CAD
View
Price last confirmed 34 days ago
A
Retailer 6
-
$935 CAD
View
A
Retailer 7
-
$1,049 CAD
View
A
Retailer 8
-
$1,055 CAD
View
B+
Retailer 9
-
$1,340 CAD
View
A
Retailer 10
-
$1,419 CAD
View
Retailer 11
-
$1,980 CAD
View
Price last confirmed 11 days ago
B+
Retailer 12
-
$2,041 CAD
View
Retailer 13
-
$2,267 CAD
View
Price last confirmed 21 days ago
B
Retailer 14
-
$2,732 CAD
View
Most Expensive
B
MOH London
LG835634480 · Nov 5
$3,589 CAD
£2,009 GBP
View
14 more retailers have this diamond
Prices start from $778 CADSave up to $2,811 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
3.55ct Heart
$778 CAD