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Cushion|Lab Grown|IGI

5.09ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG596332450

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG596332450

Diamond specifications and retailer prices

From €664 EUR
£584 GBP
As of October 30, 2026
Save €2,098 EUR (76%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €2,762 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 5.09ct lab-grown cushion diamond

This 5.09ct 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 LG596332450 or 596332450. Listed at 9 retailers as of October 29, 2026, with prices from €664 to €2,762, a €2,098 spread on the same certified stone. MOH London lists it at €2,762. 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

5.09
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG596332450
Dimensions11.67 × 9.35 × 6.31 mm
L/W Ratio1.25
Girdle conditionFaceted
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
11.67 mm9.35 mm5.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG596332450
Side View
Table 61.0%Crown 32.4°Girdle: MED-THKPavilion 38.9°Culet: NoneDepth 67.5%

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 30
Current: €2,762 EUR|Low: €664 EUR|High: €6,002 EUR|Avg: €2,443 EUR
MOH London
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 7€664 EUR
Retailer 10€699 EUR
Retailer 8€752 EUR
Retailer 2€961 EUR
Retailer 9€962 EUR
Retailer 12€974 EUR
Retailer 6€988 EUR
Retailer 11€1,829 EUR
MOH London€2,762 EUR
Retailer 5€3,897 EUR
Retailer 4€4,398 EUR
Retailer 3€5,827 EUR
Retailer 13€6,002 EUR

4 data points across 13 retailers

9 retailers€664 EUR to €2,762 EUR

A
Cheapest Retailer
-
€664 EUR
£584 GBP
A
Retailer 2
-
€699 EUR
HK$6,100 HKD
View
A
Retailer 3
-
€752 EUR
$840 USD
View
A
Retailer 4
-
€961 EUR
View
A
Retailer 5
-
€962 EUR
$1,075 USD
View
B+
Retailer 6
-
€974 EUR
$1,088 USD
View
A
Retailer 7
-
€988 EUR
£869 GBP
View
B+
Retailer 8
-
€1,829 EUR
$2,043 USD
View
Most Expensive
B
MOH London
LG596332450 · Oct 29
€2,762 EUR
£2,430 GBP
View
8 more retailers have this diamond
Prices start from €664 EURSave up to €2,098 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
5.09ct Cushion
€664 EUR