Kristin Cavallari at the Oscars wearing more than 54 carats of white diamonds by Saudi Arabian designer Nadine Attar. Reuters 
Kristin Cavallari at the Oscars wearing more than 54 carats of white diamonds by Saudi Arabian designer Nadine Attar. Reuters 

Oscars 2020: Kristin Cavallari wore gems by Saudi jeweller Nadine Attar on the red carpet