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Cushion|Lab Grown|IGI

4.06ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG815615757

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG815615757

Diamond specifications and retailer prices

From $992 AUD
$697 USD
As of October 29, 2026
Save $5,542 AUD (85%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $6,534 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG815615757 or 815615757. Listed at 3 retailers as of October 28, 2026, with prices from $992 to $6,534, a $5,542 spread on the same certified stone. Brilliant Earth lists it at $6,534. 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

4.06
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815615757
Dimensions11.17 × 8.16 × 5.54 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.17 mm8.16 mm4.06 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815615757
Side View
Table 61.0%Crown 34.6°Girdle: MED-THKPavilion 35.1°Culet: NoneDepth 67.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $6,534 AUD|Low: $992 AUD|High: $7,887 AUD|Avg: $3,704 AUD|-17.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 3$992 AUD
Retailer 2$1,698 AUD
Retailer 4$3,815 AUD
Brilliant Earth$6,534 AUD

36 data points across 4 retailers

3 retailers$992 AUD to $6,534 AUD

A
Cheapest Retailer
-
$992 AUD
$697 USD
Final sale: no returns
A
Retailer 2
-
$1,698 AUD
£939 GBP
View
Most Expensive
B
Brilliant Earth
21223941A · Oct 28
$6,534 AUD
$4,590 USD
View
2 more retailers have this diamond
Prices start from $992 AUDSave up to $5,542 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
4.06ct Cushion
$992 AUD