Corona materials isn't converted from V-ray, It rebuilt from scratch in order to reach better result. Preview in first page got rendered with V-ray engine and preview in third page got rendered with Corona engine. Rendered with V-ray version 5 and Corona version 5.
Originally modeled in Autodesk 3ds Max.
File scale & unit are set with a default value:
Display unit scale = Centimeters
System unit scale = Inches
Polygons for each object:
Low poly: 55K
High poly: 440K
Dimension:
X: ~ 40 cm
Y: ~ 40 cm
Z: ~ 107 cm
PBR 4k textures .
All objects in the scene are logically named and have their own material of the same name / Multi Sub-object.

Archive include 3ds max V-ray, 3ds max Corona file, additionally .FBX Vray file and .FBX Corona file format.

Online store:
https://www.ikea.com/gb/en/p/grindfallet-pendant-lamp-black-20502487/
Please ask if you have any questions.
We will be very grateful for your comment and feedback! This is very important for us! Thank you very much in advance!