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Cushion|Lab Grown|IGI

3.11ct I VVS2 Cushion Lab Grown Diamond

EX • I/VVS2 • IGI LG665402428

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

Certificate IGI LG665402428

Diamond specifications and retailer prices

From €635 EUR
As of November 5, 2026
Save €2,951 EUR (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: €3,586 EUR at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG665402428 or 665402428. Listed at 9 retailers as of November 4, 2026, with prices from €635 to €3,586, a €2,951 spread on the same certified stone. Do Amore Diamonds lists it at €3,586. 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

3.11
Carat
I
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665402428
Dimensions8.61 × 8.35 × 5.57 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.61 mm8.35 mm3.11 ctI / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665402428
Side View
Table 61.0%Crown 38.8°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 66.7%

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: Nov 5
Current: €3,586 EUR|Low: €635 EUR|High: €3,586 EUR|Avg: €1,470 EUR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6€635 EUR
Retailer 3€642 EUR
Retailer 8€768 EUR
Retailer 7€785 EUR
Retailer 9€848 EUR
Retailer 4€1,199 EUR
Retailer 10€1,501 EUR
Retailer 5€1,726 EUR
Retailer 11€1,903 EUR
Retailer 2€2,301 EUR
Do Amore Diamonds€3,586 EUR

22 data points across 11 retailers

9 retailers€635 EUR to €3,586 EUR

A
Cheapest Retailer
-
€635 EUR
A
Retailer 2
-
€768 EUR
View
B+
Retailer 3
-
€785 EUR
View
A
Retailer 4
-
€848 EUR
View
A
Retailer 5
-
€1,199 EUR
View
B+
Retailer 6
-
€1,726 EUR
View
B+
Retailer 7
-
€1,903 EUR
View
B+
Retailer 8
-
€2,301 EUR
View
Most Expensive
B
Do Amore Diamonds
27-5C6AC5CEF · Nov 4
€3,586 EUR
$4,040 USD
View
8 more retailers have this diamond
Prices start from €635 EURSave up to €2,951 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
3.11ct Cushion
€635 EUR