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 $1,352 NZD
$762 USD
As of October 31, 2026
Save $4,597 NZD (77%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,142 NZD 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

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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: $7,142 NZD|Low: $1,352 NZD|High: $7,142 NZD|Avg: $3,413 NZD
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
October 31, 2026
Retailer 3$1,352 NZD
Retailer 9$1,425 NZD
Retailer 14$1,712 NZD
Retailer 4$1,797 NZD
Retailer 17$2,005 NZD
Retailer 12$2,163 NZD
Retailer 13$2,234 NZD
Retailer 16$3,163 NZD
Retailer 7$3,252 NZD
Retailer 2$3,666 NZD
Retailer 6$4,353 NZD
Retailer 10$4,760 NZD
Retailer 11$4,814 NZD
Retailer 5$4,984 NZD
Retailer 15$5,738 NZD
Retailer 8$5,949 NZD
Rare Carat$7,142 NZD

17 data points across 17 retailers

18 retailers$1,352 NZD to $5,949 NZD

A+
Cheapest Retailer
-
$1,352 NZD
$762 USD
Final sale: no returns
Retailer 2
-
$1,425 NZD
$803 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,712 NZD
$965 USD
View
A
Retailer 4
-
$1,797 NZD
£797 GBP
View
A
Retailer 5
-
$2,005 NZD
$1,130 USD
View
A
Retailer 6
-
$2,163 NZD
€1,161 EUR
View
A
Retailer 7
-
$2,234 NZD
£991 GBP
View
A
Retailer 8
-
$3,163 NZD
A$2,743 AUD
View
A
Retailer 9
-
$3,252 NZD
ZAR 29,608 ZAR
View
A
Retailer 10
-
$3,666 NZD
$2,066 USD
View
B+
Retailer 11
-
$4,353 NZD
£1,932 GBP
View
B+
Retailer 12
-
$4,760 NZD
$2,683 USD
View
B+
Retailer 13
-
$4,814 NZD
$2,713 USD
View
B+
Retailer 14
-
$4,984 NZD
$2,809 USD
View
B+
Retailer 15
-
$5,738 NZD
SGD 4,370 SGD
View
B
Retailer 16
-
$5,949 NZD
£2,640 GBP
View
Retailer 17
-
$7,028 NZD
A$6,094 AUD
View
Price last confirmed 23 days ago
Most Expensive
Rare Carat
CN216-28A · Oct 19
$7,142 NZD
$4,025 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from $1,352 NZDSave up to $4,597 NZD

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
$1,352 NZD