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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 €596 EUR
HK$5,200 HKD
As of October 31, 2026
Save €1,143 EUR (66%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €2,293 EUR 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 14 retailers as of October 31, 2026, with a 192% 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

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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €2,293 EUR|Low: €495 EUR|High: €2,343 EUR|Avg: €1,187 EUR|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 8€495 EUR
Retailer 5€596 EUR
Retailer 3€671 EUR
Retailer 6€678 EUR
Retailer 7€853 EUR
Retailer 4€907 EUR
Retailer 9€1,260 EUR
Retailer 2€1,284 EUR
Retailer 10€1,739 EUR
MOH London€2,293 EUR

37 data points across 10 retailers

14 retailers€596 EUR to €1,739 EUR

Retailer 1
-
€442 EUR
$494 USD
Price last confirmed 15 days ago
Retailer 2
-
€501 EUR
$560 USD
View
Price last confirmed 33 days ago
Retailer 3
-
€547 EUR
$611 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€549 EUR
$613 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
€596 EUR
HK$5,200 HKD
View
A
Retailer 6
-
€671 EUR
$750 USD
View
Retailer 7
-
€678 EUR
£596 GBP
View
Price last confirmed 16 days ago
B+
Retailer 8
-
€853 EUR
$953 USD
View
A
Retailer 9
-
€907 EUR
£798 GBP
View
B+
Retailer 10
-
€1,260 EUR
$1,408 USD
View
B+
Retailer 11
-
€1,284 EUR
$1,435 USD
View
Retailer 12
-
€1,443 EUR
$1,612 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
€1,739 EUR
SGD 2,625 SGD
View
Most Expensive
MOH London
LG835634480 · Oct 25
€2,293 EUR
£2,017 GBP
View
Price last confirmed 7 days ago
13 more retailers have this diamond
Prices start from €596 EURSave up to €1,143 EUR

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
€596 EUR