Citrine Rhinestone and Pearl Bridal Backdrop Necklace (also available in purple and pink versions)
https://www.etsy.com/listing/220254040/backdrop-necklace-art-deco-great-gatsby?ref=shop_home_active_3
https://www.etsy.com/listing/220254040/backdrop-necklace-art-deco-great-gatsby?ref=shop_home_active_3