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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 $1,085 AUD
$762 USD
As of October 31, 2026
Save $3,688 AUD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,730 AUD 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $5,730 AUD|Low: $1,085 AUD|High: $5,730 AUD|Avg: $2,753 AUD
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 13$1,085 AUD
Retailer 8$1,143 AUD
Retailer 9$1,374 AUD
Retailer 14$1,442 AUD
Retailer 12$1,609 AUD
Retailer 3$1,753 AUD
Retailer 2$1,793 AUD
Retailer 11$2,538 AUD
Retailer 5$2,609 AUD
Retailer 6$2,943 AUD
Retailer 4$3,493 AUD
Retailer 16$3,876 AUD
Retailer 15$3,999 AUD
Retailer 10$4,604 AUD
Retailer 7$4,773 AUD
Rare Carat$5,730 AUD

18 data points across 16 retailers

18 retailers$1,085 AUD to $4,773 AUD

A+
Cheapest Retailer
-
$1,085 AUD
$762 USD
Final sale: no returns
Retailer 2
-
$1,143 AUD
$803 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,374 AUD
$965 USD
View
A
Retailer 4
-
$1,442 AUD
£797 GBP
View
A
Retailer 5
-
$1,609 AUD
$1,130 USD
View
A
Retailer 6
-
$1,753 AUD
€1,173 EUR
View
A
Retailer 7
-
$1,793 AUD
£991 GBP
View
A
Retailer 8
-
$2,538 AUD
View
A
Retailer 9
-
$2,609 AUD
ZAR 29,608 ZAR
View
A
Retailer 10
-
$2,943 AUD
$2,067 USD
View
B+
Retailer 11
-
$3,493 AUD
£1,932 GBP
View
B+
Retailer 12
-
$3,876 AUD
$2,723 USD
View
B+
Retailer 13
-
$3,939 AUD
$2,767 USD
View
B+
Retailer 14
-
$3,999 AUD
$2,809 USD
View
B+
Retailer 15
-
$4,604 AUD
SGD 4,370 SGD
View
B
Retailer 16
-
$4,773 AUD
£2,640 GBP
View
Retailer 17
-
$5,639 AUD
View
Price last confirmed 22 days ago
Most Expensive
Rare Carat
CN216-28A · Oct 19
$5,730 AUD
$4,025 USD
View
Price last confirmed 12 days ago
17 more retailers have this diamond
Prices start from $1,085 AUDSave up to $3,688 AUD

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
$1,085 AUD