{"product_id":"art-deco-marcasite-amp-onyx-cocktail-ring-c-1930s","title":"Art Deco Marcasite \u0026amp; Onyx Cocktail Ring, c. 1930s","description":"\u003cp\u003eA stepped Art Deco cocktail ring set with a rectangular black onyx tablet framed in pavé marcasite. The geometry is pure 1930s — architectural, a little severe, entirely elegant. Marcasite intact throughout; the onyx carries one hairline surface mark visible only at an angle.\u003c\/p\u003e","brand":"A Crow's Nest","offers":[{"title":"Default Title","offer_id":54176267501878,"sku":"CN-ARC-260702-Q7XR","price":385.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/0010\/7830\/files\/hf_20260702_112806_83c6093c-f313-4819-bb85-7da849af6d65.png?v=1782993174","url":"https:\/\/acrowsnest.shop\/products\/art-deco-marcasite-amp-onyx-cocktail-ring-c-1930s","provider":"A Crow's Nest","version":"1.0","type":"link"}