Shop › Chalcedony Necklace Chalcedony Necklace $285.00 Olga King Handmade Chalcedony Necklace, 33 inch long with 1.5 inch extender, gold filled findings Olga King Handmade Chalcedony Necklace, 33 inch long with 1.5 inch extender, gold filled findings Add To Cart Added!