{"type":"firestarter.listing","listing":{"id":"lst_Evg2QbF8","product_name":"2ct Round Lab Diamond Cathedral Set Ring","category":"Rings","description":"A classic with an eye-catching twist. A sparkling round lab diamond solitaire is set into a platinum 4-prong cathedral setting on a solid 14k gold or 950 platinum band. This stunning engagement or statement ring is the perfect two-toned piece.\nStyle Tip: Pair it with a 1.7mm curvy mirror band to create the perfect nesting ring set.\nRing comes with an Automic Gold ring box.\nWe can customize this ring with any design and any natural or lab-created stone. Contact us for a custom piece.","images":["https://cdn.shopify.com/s/files/1/2065/2103/files/yellow-gold-round-diamond-cathedral-ring.jpg?v=1764374566","https://cdn.shopify.com/s/files/1/2065/2103/files/large-round-diamond-cathedral-engagement-ring.jpg?v=1764374566","https://cdn.shopify.com/s/files/1/2065/2103/files/round-diamond-solitaire-two-tone-ring.jpg?v=1764374566","https://cdn.shopify.com/s/files/1/2065/2103/files/Round-Lab-Diamond-Cathedral-Ring.jpg?v=1764374566","https://cdn.shopify.com/s/files/1/2065/2103/files/large-round-diamond-solitaire-engagement-ring_2.jpg?v=1764374566","https://cdn.shopify.com/s/files/1/2065/2103/files/round-diamond-bi-color-engagement-ring.jpg?v=1764374566","https://cdn.shopify.com/s/files/1/2065/2103/files/solitaire-diamond-engagement-ring-wedding-set.jpg?v=1764374566","https://cdn.shopify.com/s/files/1/2065/2103/files/Automic-engagement-ring-box-open_187.jpg?v=1762532460","https://cdn.shopify.com/s/files/1/2065/2103/files/Automic-gold-engagement-ring-box-closed_187.jpg?v=1762532460","https://cdn.shopify.com/s/files/1/2065/2103/files/rose-gold-round-diamond-cathedral-ring.jpg?v=1762532460","https://cdn.shopify.com/s/files/1/2065/2103/files/950-platinum-round-diamond-cathedral-ring.jpg?v=1762532460"],"price":2372,"currency":"USD","in_stock":true,"inventory_qty":29997,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:42.648Z"},"share_url":"https://firestarter.network/l/lst_Evg2QbF8","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_Evg2QbF8' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 2ct Round Lab Diamond Cathedral Set Ring' and a budget_max comfortably above $2372.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}