The model was created in the 2014 version and saved in an earlier 2011.
Also present is the OBJ format.
There are no third-party plug-ins all elements are named by their names.
For Corona render it is recommended to put a version not lower than 1.5 since the glossiness of materials is adjusted to PBR
Chandelier Gigi L dimensions: (WxWxD): 88 x 57 x 57 cm
Chandelier Gigi S: (HxWxD): 68 x 35 x 35 cm
You can buy here; https: //www.de-light.ru/catalog/eichholtz/111529/
https://www.de-light.ru/catalog/eichholtz/111532/