The light used in the chandelier, which is clear in the preview, is VRayLightMtl.

Model Name: Black and Gold Round Chandelier

Brand: CATINER
Color: Gold
Material: crystal, metal
Shade Material: Metal
Material Type: crylstal, metal
Style: Modern
Light fixture form: Chandelier
Indoor/Outdoor Usage: ‎Indoor
Number of Light Sources: 6
Theme: ‎Modern
Light Color: warm white
Shape: Round
Shade Color: black and gold

Link: https://www.amazon.com/CATINER-Crystal-Chandeliers-Chandelier-Crystals/dp/B0CHNRDZRM?th=1