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Cushion|Lab Grown|IGI

5.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG817634371

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817634371

Diamond specifications and retailer prices

From €591 EUR
$658 USD
As of October 27, 2026
Save €2,967 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €3,558 EUR at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 5.01ct lab-grown cushion diamond

This 5.01ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG817634371 or 817634371. Listed at 14 retailers as of October 27, 2026, with prices from €591 to €3,558, a €2,967 spread on the same certified stone. Brilliant Earth lists it at €3,558. 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

5.01
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817634371
Dimensions12.21 × 8.67 × 5.46 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.21 mm8.67 mm5.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817634371
Side View
Table 66.0%Crown 36.4°Girdle: MED-THKPavilion 33.6°Culet: NoneDepth 63.0%

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 27
Current: €3,558 EUR|Low: €591 EUR|High: €6,721 EUR|Avg: €1,723 EUR|-47.1%
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
October 30, 2026
Retailer 6€591 EUR
Retailer 9€687 EUR
Retailer 7€702 EUR
Retailer 3€755 EUR
Retailer 2€946 EUR
Retailer 5€970 EUR
Retailer 14€1,005 EUR
Retailer 10€1,017 EUR
Retailer 13€1,482 EUR
Retailer 4€1,809 EUR
Retailer 8€2,043 EUR
Retailer 12€2,659 EUR
Retailer 11€2,846 EUR
Brilliant Earth€3,558 EUR

41 data points across 14 retailers

14 retailers€591 EUR to €3,558 EUR

A
Cheapest Retailer
-
€591 EUR
$658 USD
Final sale: no returns
A
Retailer 2
-
€687 EUR
£602 GBP
View
A
Retailer 3
-
€702 EUR
HK$6,100 HKD
View
A
Retailer 4
-
€755 EUR
$840 USD
View
A
Retailer 5
-
€946 EUR
View
A
Retailer 6
-
€970 EUR
$1,080 USD
View
B+
Retailer 7
-
€1,005 EUR
$1,119 USD
View
A
Retailer 8
-
€1,017 EUR
£891 GBP
View
B+
Retailer 9
-
€1,482 EUR
$1,649 USD
View
B+
Retailer 10
-
€1,809 EUR
$2,013 USD
View
B+
Retailer 11
-
€2,043 EUR
SGD 3,073 SGD
View
Retailer 12
-
€2,659 EUR
$2,960 USD
View
Price last confirmed 9 days ago
B
Retailer 13
-
€2,846 EUR
£2,494 GBP
View
Most Expensive
B
Brilliant Earth
20782512A · Oct 30
€3,558 EUR
$3,960 USD
View
13 more retailers have this diamond
Prices start from €591 EURSave up to €2,967 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
5.01ct Cushion
€591 EUR