Necklace Collection : A beautiful necklace by Paula Crevoshay with a 30.64 ct opal, blue zircon, pink … 6 June 2018 3204 Necklace Collection : A beautiful necklace by Paula Crevoshay with a 30.64 ct opal, blue zircon, pink tourmaline, tsavorite, apatite, ruby, and diamonds.