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 $553 USD
As of October 27, 2026
Save $2,009 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,562 USD at MOH London · As of October 25, 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 October 25, 2026, with prices from $553 to $2,562, a $2,009 spread on the same certified stone. MOH London lists it at $2,562. 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: Oct 27
Current: $2,562 USD|Low: $553 USD|High: $2,617 USD|Avg: $1,331 USD|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 8$553 USD
Retailer 4$666 USD
Retailer 2$750 USD
Retailer 6$757 USD
Retailer 7$953 USD
Retailer 3$1,013 USD
Retailer 9$1,408 USD
Retailer 5$1,647 USD
Retailer 10$1,943 USD
MOH London$2,562 USD

36 data points across 10 retailers

15 retailers$553 USD to $2,562 USD

Retailer 1
-
$494 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$553 USD
View
Final sale: no returns
Retailer 3
-
$560 USD
View
Price last confirmed 31 days ago
Retailer 4
-
$611 USD
View
Price last confirmed 32 days ago
Retailer 5
-
$613 USD
View
Price last confirmed 26 days ago
A
Retailer 6
-
$666 USD
HK$5,200 HKD
View
A
Retailer 7
-
$750 USD
View
Retailer 8
-
$757 USD
£596 GBP
View
Price last confirmed 14 days ago
B+
Retailer 9
-
$953 USD
View
A
Retailer 10
-
$1,013 USD
£798 GBP
View
B+
Retailer 11
-
$1,408 USD
View
Retailer 12
-
$1,612 USD
View
Price last confirmed 13 days ago
B+
Retailer 13
-
$1,647 USD
View
B
Retailer 14
-
$1,943 USD
SGD 2,625 SGD
View
Most Expensive
B
MOH London
LG835634480 · Oct 25
$2,562 USD
£2,017 GBP
View
14 more retailers have this diamond
Prices start from $553 USDSave up to $2,009 USD

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
$553 USD