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Cushion|Lab Grown|IGI

4.00ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG834612706

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG834612706

Diamond specifications and retailer prices

From €893 EUR
As of October 27, 2026
Save €4,451 EUR (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,344 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 4ct lab-grown cushion diamond

This 4ct 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 LG834612706 or 834612706. Listed at 12 retailers as of October 26, 2026, with prices from €893 to €5,344, a €4,451 spread on the same certified stone. Brilliant Earth lists it at €5,344. 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

4.00
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834612706
Dimensions10.54 × 8.86 × 5.24 mm
L/W Ratio1.19
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.54 mm8.86 mm4.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834612706
Side View
Table 63.0%Crown 31.6°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 59.1%

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: €5,344 EUR|Low: €446 EUR|High: €5,353 EUR|Avg: €1,512 EUR
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 27, 2026
Retailer 6€446 EUR
Retailer 5€482 EUR
Retailer 11€716 EUR
Retailer 12€806 EUR
Retailer 7€880 EUR
Retailer 2€893 EUR
Retailer 3€1,224 EUR
Retailer 9€1,245 EUR
Retailer 4€1,741 EUR
Retailer 13€1,784 EUR
Retailer 10€1,981 EUR
Retailer 8€2,063 EUR
Brilliant Earth€5,344 EUR

32 data points across 13 retailers

12 retailers€893 EUR to €5,344 EUR

Retailer 1
-
€446 EUR
£393 GBP
Price last confirmed 11 days ago
Retailer 2
-
€716 EUR
$800 USD
View
Price last confirmed 11 days ago
Retailer 3
-
€806 EUR
$900 USD
View
Price last confirmed 10 days ago
Retailer 4
-
€880 EUR
£774 GBP
View
Price last confirmed 11 days ago
A
Retailer 5
-
€893 EUR
View
Retailer 6
-
€1,224 EUR
$1,368 USD
View
Price last confirmed 11 days ago
Retailer 7
-
€1,245 EUR
$1,391 USD
View
Price last confirmed 10 days ago
Retailer 8
-
€1,741 EUR
$1,945 USD
View
Price last confirmed 11 days ago
Retailer 9
-
€1,784 EUR
$1,993 USD
View
Price last confirmed 11 days ago
Retailer 10
-
€1,981 EUR
£1,743 GBP
View
Price last confirmed 17 days ago
Retailer 11
-
€2,063 EUR
$2,305 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21669687A · Oct 26
€5,344 EUR
$5,970 USD
View
11 more retailers have this diamond
Prices start from €893 EURSave up to €4,451 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
4.00ct Cushion
€893 EUR