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Cushion|Lab Grown|IGI

3.56ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG811678412

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

Certificate IGI LG811678412

Diamond specifications and retailer prices

From €906 EUR
$1,008 USD
As of October 29, 2026
Save €5,456 EUR (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €6,361 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.56ct lab-grown cushion diamond

This 3.56ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811678412 or 811678412. Listed at 20 retailers as of October 29, 2026, with prices from €906 to €6,361, a €5,456 spread on the same certified stone. Brilliant Earth lists it at €6,361. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.56
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811678412
Dimensions9.00 × 8.94 × 5.67 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.00 mm8.94 mm3.56 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811678412
Side View
Table 65.0%Crown 33.5°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
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 29
Current: €6,361 EUR|Low: €906 EUR|High: €6,361 EUR|Avg: €2,409 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
Retailer 20
October 30, 2026
Retailer 20€906 EUR
Retailer 12€1,012 EUR
Retailer 2€1,093 EUR
Retailer 17€1,203 EUR
Retailer 10€1,217 EUR
Retailer 3€1,341 EUR
Retailer 13€1,446 EUR
Retailer 14€1,588 EUR
Retailer 9€1,983 EUR
Retailer 15€2,181 EUR
Retailer 18€2,223 EUR
Retailer 7€2,283 EUR
Retailer 5€2,588 EUR
Retailer 6€2,939 EUR
Retailer 4€3,083 EUR
Retailer 16€3,202 EUR
Retailer 19€3,263 EUR
Retailer 8€3,693 EUR
Retailer 11€3,861 EUR
Brilliant Earth€6,361 EUR

25 data points across 20 retailers

20 retailers€906 EUR to €6,361 EUR

A
Cheapest Retailer
-
€906 EUR
$1,008 USD
Final sale: no returns
Retailer 2
-
€1,012 EUR
$1,126 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
€1,093 EUR
£958 GBP
View
A
Retailer 4
-
€1,203 EUR
$1,339 USD
View
A
Retailer 5
-
€1,217 EUR
$1,355 USD
View
A
Retailer 6
-
€1,341 EUR
$1,492 USD
View
A
Retailer 7
-
€1,446 EUR
£1,267 GBP
View
A
Retailer 8
-
€1,588 EUR
View
A
Retailer 9
-
€1,983 EUR
$2,207 USD
View
A
Retailer 10
-
€2,181 EUR
ZAR 39,211 ZAR
View
A
Retailer 11
-
€2,223 EUR
$2,474 USD
View
Retailer 12
-
€2,283 EUR
A$3,910 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
€2,588 EUR
£2,268 GBP
View
B+
Retailer 14
-
€2,939 EUR
$3,271 USD
View
B+
Retailer 15
-
€3,083 EUR
$3,431 USD
View
B+
Retailer 16
-
€3,202 EUR
£2,806 GBP
View
B+
Retailer 17
-
€3,263 EUR
$3,632 USD
View
Retailer 18
-
€3,693 EUR
$4,110 USD
View
Price last confirmed 9 days ago
Retailer 19
-
€3,861 EUR
A$6,611 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
21212236A · Oct 29
€6,361 EUR
$7,080 USD
View
19 more retailers have this diamond
Prices start from €906 EURSave up to €5,456 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
3.56ct Cushion
€906 EUR