Cushion|Lab Grown|IGI

3.55ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG837643067

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG837643067

Diamond specifications and retailer prices

From €964 EUR
$1,077 USD
As of October 30, 2026
Save €3,619 EUR (79%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €4,583 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.55ct lab-grown cushion diamond

This 3.55ct lab-grown cushion 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 LG837643067 or 837643067. Listed at 6 retailers as of October 30, 2026, with prices from €964 to €4,583, a €3,619 spread on the same certified stone. Do Amore Diamonds lists it at €4,583. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837643067
Dimensions9.01 × 8.95 × 5.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.01 mm8.95 mm3.55 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837643067
Side View
Table 66.0%Crown 35.3°Girdle: MED-VTKPavilion 39.7°Culet: NoneDepth 65.0%

Caratlytics Score

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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 30
Current: €4,583 EUR|Low: €964 EUR|High: €4,583 EUR|Avg: €2,214 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 6€964 EUR
Retailer 5€998 EUR
Retailer 2€1,207 EUR
Retailer 4€2,470 EUR
Retailer 3€2,958 EUR
Do Amore Diamonds€4,583 EUR

21 data points across 6 retailers

6 retailers€964 EUR to €4,583 EUR

A
Cheapest Retailer
-
€964 EUR
$1,077 USD
A
Retailer 2
-
€998 EUR
$1,115 USD
View
A
Retailer 3
-
€1,207 EUR
£1,062 GBP
View
B
Retailer 4
-
€2,470 EUR
$2,760 USD
View
B
Retailer 5
-
€2,958 EUR
£2,602 GBP
View
Most Expensive
B
Do Amore Diamonds
36-1991044 · Oct 31
€4,583 EUR
$5,120 USD
View
5 more retailers have this diamond
Prices start from €964 EURSave up to €3,619 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 Cushion
€964 EUR