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Round|Lab Grown|IGI

3.55ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG632401238

Shape and cutting style on the report: Round brilliant

Certificate IGI LG632401238

Diamond specifications and retailer prices

From €1,153 EUR
CA$1,789 CAD
As of October 30, 2026
Save €372 EUR (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €1,525 EUR at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

About this 3.55ct lab-grown round diamond

This 3.55ct lab-grown round 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 LG632401238 or 632401238. Listed at 2 retailers as of October 30, 2026, with prices from €1,153 to €1,525, a €372 spread on the same certified stone. The Diamond Guys lists it at €1,525. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632401238
Dimensions9.87 × 9.84 × 5.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.87 mm9.84 mm3.55 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632401238
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.6%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: €626 EUR|Low: €234 EUR|High: €3,133 EUR|Avg: €1,328 EUR|-15.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
September 16, 2026
Retailer 6€405 EUR
Retailer 3€567 EUR
Retailer 1€626 EUR
Retailer 5€750 EUR
Retailer 2€806 EUR
Retailer 11€996 EUR
Retailer 4€1,111 EUR
Retailer 7€1,153 EUR
Retailer 9€1,328 EUR
Retailer 12€1,517 EUR
The Diamond Guys€1,525 EUR
Retailer 10€1,917 EUR
Retailer 8€2,372 EUR

61 data points across 13 retailers

2 retailers€1,153 EUR to €1,525 EUR

B+
Cheapest Retailer
-
€1,153 EUR
CA$1,789 CAD
Most Expensive
B
The Diamond Guys
1954434268 · Oct 30
€1,525 EUR
$1,704 USD
View
1 more retailer has this diamond
Prices start from €1,153 EURSave up to €372 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.

B+
3.55ct Round
€1,153 EUR