J Crew Collection, costumed jewelry necklace. Rare/ unique piece

Beautiful and elevated piece. Almost new ! used only 3 times. Perfect for Jeans with heals and a denim shirt or with an evening dress. Dark navy blue stones with a lighter blue flowers. There is only small scratch between the flowers that is only noticiable if you pull them apart. Pls check in the pics but when the flowers are not separated and it’s on your neck it doesn’t show. Comes with the jewelry pouch as well.