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Cushion|Lab Grown|IGI

3.11ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG826687086

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826687086

Diamond specifications and retailer prices

From €682 EUR
$762 USD
As of October 31, 2026
Save €2,319 EUR (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €3,603 EUR at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 3.11ct lab-grown cushion diamond

This 3.11ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG826687086 or 826687086. Listed at 18 retailers as of October 25, 2026, with a 340% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826687086
Dimensions10.57 × 7.28 × 4.68 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.57 mm7.28 mm3.11 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826687086
Side View
Table 65.0%Crown 39.4°Girdle: STK-THKPavilion 34.3°Culet: NoneDepth 64.3%

Caratlytics Score

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A+
Exceptional
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 31
Current: €3,603 EUR|Low: €682 EUR|High: €3,603 EUR|Avg: €1,743 EUR
Rare Carat
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
November 1, 2026
Retailer 6€682 EUR
Retailer 9€719 EUR
Retailer 17€864 EUR
Retailer 2€901 EUR
Retailer 5€1,011 EUR
Retailer 16€1,091 EUR
Retailer 10€1,127 EUR
Retailer 4€1,596 EUR
Retailer 7€1,640 EUR
Retailer 13€1,849 EUR
Retailer 12€2,183 EUR
Retailer 14€2,402 EUR
Retailer 15€2,429 EUR
Retailer 11€2,505 EUR
Retailer 3€2,895 EUR
Retailer 8€3,001 EUR
Rare Carat€3,603 EUR

17 data points across 17 retailers

18 retailers€682 EUR to €3,001 EUR

A+
Cheapest Retailer
-
€682 EUR
$762 USD
Final sale: no returns
Retailer 2
-
€719 EUR
$803 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
€864 EUR
$965 USD
View
A
Retailer 4
-
€901 EUR
£792 GBP
View
A
Retailer 5
-
€1,011 EUR
$1,130 USD
View
A
Retailer 6
-
€1,091 EUR
View
A
Retailer 7
-
€1,127 EUR
£991 GBP
View
A
Retailer 8
-
€1,596 EUR
A$2,743 AUD
View
A
Retailer 9
-
€1,640 EUR
ZAR 29,608 ZAR
View
A
Retailer 10
-
€1,849 EUR
$2,066 USD
View
B+
Retailer 11
-
€2,183 EUR
£1,920 GBP
View
B+
Retailer 12
-
€2,402 EUR
$2,683 USD
View
B+
Retailer 13
-
€2,429 EUR
$2,713 USD
View
B+
Retailer 14
-
€2,505 EUR
$2,799 USD
View
B+
Retailer 15
-
€2,895 EUR
SGD 4,370 SGD
View
B
Retailer 16
-
€3,001 EUR
£2,640 GBP
View
Retailer 17
-
€3,546 EUR
A$6,094 AUD
View
Price last confirmed 23 days ago
Most Expensive
Rare Carat
CN216-28A · Oct 19
€3,603 EUR
$4,025 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from €682 EURSave up to €2,319 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
€682 EUR