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Cushion|Lab Grown|IGI

5.06ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG819602558

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG819602558

Diamond specifications and retailer prices

From €691 EUR
£608 GBP
As of October 27, 2026
Save €2,889 EUR (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €3,580 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.06ct lab-grown cushion diamond

This 5.06ct 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 LG819602558 or 819602558. Listed at 12 retailers as of October 27, 2026, with prices from €691 to €3,580, a €2,889 spread on the same certified stone. Brilliant Earth lists it at €3,580. 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

5.06
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819602558
Dimensions11.97 × 8.58 × 5.57 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.97 mm8.58 mm5.06 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819602558
Side View
Table 65.0%Crown 34.3°Girdle: MED-STKPavilion 36.8°Culet: NoneDepth 64.9%

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 27
Current: €3,580 EUR|Low: €594 EUR|High: €3,589 EUR|Avg: €1,576 EUR|-0.2%
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
October 31, 2026
Retailer 5€594 EUR
Retailer 9€691 EUR
Retailer 8€699 EUR
Retailer 3€761 EUR
Retailer 2€932 EUR
Retailer 13€1,012 EUR
Retailer 10€1,023 EUR
Retailer 7€1,472 EUR
Retailer 4€1,836 EUR
Retailer 6€2,025 EUR
Retailer 12€2,672 EUR
Retailer 11€2,874 EUR
Brilliant Earth€3,580 EUR

41 data points across 13 retailers

12 retailers€691 EUR to €3,580 EUR

A
Cheapest Retailer
-
€691 EUR
£608 GBP
A
Retailer 2
-
€699 EUR
HK$6,100 HKD
View
A
Retailer 3
-
€761 EUR
$850 USD
View
A
Retailer 4
-
€932 EUR
View
B+
Retailer 5
-
€1,012 EUR
$1,131 USD
View
A
Retailer 6
-
€1,023 EUR
£900 GBP
View
B+
Retailer 7
-
€1,472 EUR
$1,645 USD
View
B+
Retailer 8
-
€1,836 EUR
$2,051 USD
View
B+
Retailer 9
-
€2,025 EUR
SGD 3,057 SGD
View
Retailer 10
-
€2,672 EUR
$2,985 USD
View
Price last confirmed 10 days ago
Retailer 11
-
€2,874 EUR
£2,528 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20860613A · Oct 29
€3,580 EUR
$4,000 USD
View
11 more retailers have this diamond
Prices start from €691 EURSave up to €2,889 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
5.06ct Cushion
€691 EUR