The model consists of several objects collected in a group, and light sources are also collected in a separate group. Multi-material is draped over the model; the model has reamers with overlapping. LED filaments in lamps have self-luminous material. Filament, lamp glass and lamp wire are added to the lamps as exceptions.
The model mesh is under Subdivion, so you can add Turbosmooth, but be sure to check the "Smooth by smoothing group" checkbox, otherwise the crystal cutting will be smoothed.

OBJ file without materials, without groups, without light sources.

The scene was rendered in V-Ray 3.30 in Corona, converted manually and light sources were placed.

Adjust the brightness of the IC yourself to suit the requirements of your scene. Light sources are instances.

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Technical data
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Number of polygons 460,000
3ds Max - version 2014
Render - V-Ray + Corona
V-Ray - 3.30.2
Corona - 1.7.4