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Cushion|Lab Grown|IGI

4.90ct F VS2 Cushion Lab Grown Diamond

ID • F/VS2 • IGI LG842655659

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG842655659

Diamond specifications and retailer prices

From $1,660 AUD
£916 GBP
As of October 24, 2026
2 retailers carry this diamond
Most expensive: $11,158 AUD at Brilliant Earth · As of October 23, 2026
View at Brilliant Earth

About this 4.9ct lab-grown cushion diamond

This 4.9ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842655659 or 842655659. Listed at 2 retailers as of October 23, 2026. 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

4.90
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842655659
Dimensions12.07 × 8.83 × 5.86 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
12.07 mm8.83 mm4.90 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842655659
Side View
Table 63.0%Crown 34.6°Girdle: MED-STKPavilion 35.8°Culet: NoneDepth 66.4%

Caratlytics Score

No score right now
No retailer has confirmed this stone recently, so we are not scoring it. Prices below are as of the date shown.

Price History

Last verified: Oct 24
Current: $11,158 AUD|Low: $986 AUD|High: $11,158 AUD|Avg: $6,220 AUD
Brilliant Earth
Retailer 2
Retailer 3
October 24, 2026
Retailer 3$986 AUD
Retailer 2$1,660 AUD
Brilliant Earth$11,158 AUD

14 data points across 3 retailers

2 retailers$1,660 AUD to $11,158 AUD

Retailer 1
-
$1,660 AUD
£916 GBP
Price last confirmed 9 days ago
Most Expensive
Brilliant Earth
21761255A · Oct 23
$11,158 AUD
$7,820 USD
View
Price last confirmed 10 days ago
1 more retailer has this diamond

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.

4.90ct Cushion
$1,660 AUD