Vintage 2-Strand Pearl and Sapphire Rhinestone Bridal Necklace.
https://www.etsy.com/listing/249625267/sapphire-necklace-long-pearl-necklace?ref=shop_home_active_12&ga_search_query=sapphire
https://www.etsy.com/listing/249625267/sapphire-necklace-long-pearl-necklace?ref=shop_home_active_12&ga_search_query=sapphire