Alma Floor Lamp by Circa Lighting.
Designed by Kelly Wearstle
Link to the manufacturer: https://www.circalighting.com 

Output curves Falloff maps cannot be exported.
Who works with V-Ray version lower than SP1 pay attention to materials section BRDF (Microfaset GTR (GGX)) if your version is older than SP1 – this option will be empty and you have to choose:
BlinnWard or Phong depence on material.