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 $762 USD
As of October 31, 2026
Save $2,591 USD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,025 USD 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

How it works →
A+
Exceptional
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 31
Current: $4,025 USD|Low: $762 USD|High: $4,025 USD|Avg: $1,935 USD
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
October 31, 2026
Retailer 14$762 USD
Retailer 8$803 USD
Retailer 10$965 USD
Retailer 15$1,013 USD
Retailer 13$1,130 USD
Retailer 2$1,219 USD
Retailer 9$1,259 USD
Retailer 12$1,783 USD
Retailer 5$1,833 USD
Retailer 6$2,067 USD
Retailer 4$2,454 USD
Retailer 3$2,723 USD
Retailer 16$2,809 USD
Retailer 11$3,234 USD
Retailer 7$3,353 USD
Rare Carat$4,025 USD

17 data points across 16 retailers

18 retailers$762 USD to $3,353 USD

A+
Cheapest Retailer
-
$762 USD
Final sale: no returns
Retailer 2
-
$803 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$965 USD
View
A
Retailer 4
-
$1,013 USD
£797 GBP
View
A
Retailer 5
-
$1,130 USD
View
A
Retailer 6
-
$1,219 USD
€1,161 EUR
View
A
Retailer 7
-
$1,259 USD
£991 GBP
View
A
Retailer 8
-
$1,783 USD
A$2,743 AUD
View
A
Retailer 9
-
$1,833 USD
ZAR 29,608 ZAR
View
A
Retailer 10
-
$2,067 USD
View
B+
Retailer 11
-
$2,454 USD
£1,932 GBP
View
B+
Retailer 12
-
$2,723 USD
View
B+
Retailer 13
-
$2,767 USD
View
B+
Retailer 14
-
$2,809 USD
View
B+
Retailer 15
-
$3,234 USD
SGD 4,370 SGD
View
B
Retailer 16
-
$3,353 USD
£2,640 GBP
View
Retailer 17
-
$3,961 USD
A$6,094 AUD
View
Price last confirmed 22 days ago
Most Expensive
Rare Carat
CN216-28A · Oct 19
$4,025 USD
View
Price last confirmed 12 days ago
17 more retailers have this diamond
Prices start from $762 USDSave up to $2,591 USD

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
$762 USD