{"type":"firestarter.listing","listing":{"id":"lst_8lWTyGeb","product_name":"1.39ct Old Mine Cut Lab Diamond Filigree Ring","category":"Rings","description":"Vintage style made modern, this piece is truly the best of both worlds. Representing your past, present, and future with your love, this three-stone ring showcases sparkling lab-created diamonds and a round old mine cut center stone. The old mine cut, sometimes called an old European cut, is an antique diamond cut that features large, asymmetrical facets that really play with the way the light moves in the stone. Whether you wear it as a statement ring or an engagement ring, this gorgeous piece will catch everyone's eye.\nFiligree pattern does not go completely around the band; there is a gap on the underside to make resizing possible.\nWant the matching band? Check out our Chevron Filigree Band.\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.\nNeed help deciding between Platinum and White Gold? Check out our blog!","images":["https://cdn.shopify.com/s/files/1/2065/2103/files/yellow-gold-old-mine-cut-ring.jpg?v=1764371536","https://cdn.shopify.com/s/files/1/2065/2103/files/old-mine-cut-diamond-engagement-ring.jpg?v=1764371536","https://cdn.shopify.com/s/files/1/2065/2103/files/old-mine-diamond-engagement-wedding-set.jpg?v=1764371536","https://cdn.shopify.com/s/files/1/2065/2103/files/old-mine-cut-diamond-ring-14k.jpg?v=1764371536","https://cdn.shopify.com/s/files/1/2065/2103/files/Old-Mine-Cut-Lab-Diamond-Filigree-Ring.jpg?v=1764371536","https://cdn.shopify.com/s/files/1/2065/2103/files/old-mine-diamond-filigree-engagement-ring.jpg?v=1764371536","https://cdn.shopify.com/s/files/1/2065/2103/files/Automic-engagement-ring-box-open_188.jpg?v=1762532374","https://cdn.shopify.com/s/files/1/2065/2103/files/Automic-gold-engagement-ring-box-closed_188.jpg?v=1762532374","https://cdn.shopify.com/s/files/1/2065/2103/files/white-gold-old-mine-cut-ring.jpg?v=1762532374","https://cdn.shopify.com/s/files/1/2065/2103/files/rose-gold-old-mine-cut-ring.jpg?v=1762532374","https://cdn.shopify.com/s/files/1/2065/2103/files/champagne-gold-old-mine-cut-ring.jpg?v=1762532374","https://cdn.shopify.com/s/files/1/2065/2103/files/950-platinum-old-mine-cut-ring.jpg?v=1762532374"],"price":2650,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:42.646Z"},"share_url":"https://firestarter.network/l/lst_8lWTyGeb","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_8lWTyGeb' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy 1.39ct Old Mine Cut Lab Diamond Filigree Ring' and a budget_max comfortably above $2650.00 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."]}}