The Light used in the lustre, is VRayLightMtl.
Model Name: Square Tiered Crystal LED Ceiling Light

Dimension: 100 x 82 x 50cm

Brand: L&H
Style: Modern
Color:‌ Gold
Indoor/Outdoor Usage: ‌Indoor
Light fixture form: Chandelier
Room Type: ‌Bedroom,Dining Room AND Kitchen

Mesh:
Num Vert: 577840
Num Face: 1152636
Num Polygon: 574746

Link: https://www.livingandhome.co.uk/products/80cm-wide-double-tier-crystal-led-ceiling-light-100w