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Cushion|Lab Grown|IGI

3.01ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG754522117

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

Certificate IGI LG754522117

Diamond specifications and retailer prices

From €454 EUR
As of November 6, 2026
Save €2,815 EUR (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €3,269 EUR at Brilliant Earth · As of November 7, 2026
View at Brilliant Earth

About this 3.01ct lab-grown cushion diamond

This 3.01ct 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 LG754522117 or 754522117. Listed at 16 retailers as of November 6, 2026, with prices from €454 to €3,269, a €2,815 spread on the same certified stone. Brilliant Earth lists it at €3,269. 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

3.01
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754522117
Dimensions8.63 × 8.62 × 5.51 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm8.62 mm3.01 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754522117
Side View
Table 63.0%Crown 38.6°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 63.9%

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: Nov 6
Current: €3,269 EUR|Low: €415 EUR|High: €3,269 EUR|Avg: €1,161 EUR|+2.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 7, 2026
Retailer 11€454 EUR
Retailer 4€464 EUR
Retailer 9€596 EUR
Retailer 5€732 EUR
Retailer 3€734 EUR
Retailer 8€759 EUR
Retailer 10€811 EUR
Retailer 15€891 EUR
Retailer 13€1,189 EUR
Retailer 7€1,523 EUR
Retailer 2€1,612 EUR
Retailer 6€1,692 EUR
Retailer 12€1,701 EUR
Retailer 14€1,742 EUR
Brilliant Earth€3,269 EUR

43 data points across 15 retailers

16 retailers€454 EUR to €3,269 EUR

A
Cheapest Retailer
-
€454 EUR
Final sale: no returns
A
Retailer 2
-
€464 EUR
View
A
Retailer 3
-
€596 EUR
View
B+
Retailer 4
-
€732 EUR
View
A
Retailer 5
-
€734 EUR
View
A
Retailer 6
-
€759 EUR
View
A
Retailer 7
-
€811 EUR
View
A
Retailer 8
-
€891 EUR
View
B+
Retailer 9
-
€1,189 EUR
View
B+
Retailer 10
-
€1,523 EUR
View
B
Retailer 11
-
€1,612 EUR
View
B
Retailer 12
-
€1,692 EUR
View
B+
Retailer 13
-
€1,701 EUR
View
B
Retailer 14
-
€1,742 EUR
View
B
Retailer 15
-
€3,242 EUR
View
Most Expensive
B
Brilliant Earth
20624929A · Nov 7
€3,269 EUR
$3,650 USD
View
15 more retailers have this diamond
Prices start from €454 EURSave up to €2,815 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
3.01ct Cushion
€454 EUR