{"type":"firestarter.listing","listing":{"id":"lst_Cywng83Q","product_name":"Isla Marquise Diamond Modern Unique Engagement Ring Solitaire (Setting Only)","category":"Rings","description":"The Isla marquise cut solitaire features a classic prong setting and a comfortable round band.  The stone pictured is around 1 Ct. The band has a width of 1.7mm. \n ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/isla-marquise-diamond-modern-unique-engagement-ring-solitaire_valley-rose.png?v=1752831497","https://cdn.shopify.com/s/files/1/1994/1391/files/isla-marquise-diamond-modern-unique-engagement-ring-solitaire_valley-rose-2.png?v=1752831499","https://cdn.shopify.com/s/files/1/1994/1391/files/isla-marquise-diamond-modern-unique-engagement-ring-solitaire_valley-rose-3.png?v=1752831502","https://cdn.shopify.com/s/files/1/1994/1391/files/isla-marquise-diamond-modern-unique-engagement-ring-solitaire_valley-rose-4.png?v=1752831506","https://cdn.shopify.com/s/files/1/1994/1391/files/isla_marquise_diamond_ring_white_gold.jpg?v=1777043509","https://cdn.shopify.com/s/files/1/1994/1391/files/isla_marquise_diamond_ring_rose_gold.jpg?v=1777043509","https://cdn.shopify.com/s/files/1/1994/1391/files/isla-marquise-diamond-modern-unique-engagement-ring-solitaire_valley-rose-5.png?v=1752831509","https://cdn.shopify.com/s/files/1/1994/1391/files/isla-marquise-diamond-modern-unique-engagement-ring-solitaire_valley-rose-6.png?v=1752831511","https://cdn.shopify.com/s/files/1/1994/1391/files/isla-marquise-diamond-modern-unique-engagement-ring-solitaire_valley-rose-7.png?v=1752831514","https://cdn.shopify.com/s/files/1/1994/1391/files/isla-marquise-diamond-modern-unique-engagement-ring-solitaire_valley-rose-8.png?v=1752831516","https://cdn.shopify.com/s/files/1/1994/1391/files/elain-marquise-lab-diamond-unique-fantasy-engagement-ring-ready-to-ship_valley-rose-15.png?v=1763801871","https://cdn.shopify.com/s/files/1/1994/1391/files/224fff07-19b9-4731-ae87-099222056680.png?v=1776777788","https://cdn.shopify.com/s/files/1/1994/1391/files/isla-marquise-diamond-modern-unique-engagement-ring-solitaire_valley-rose-12.jpg?v=1759646001","https://cdn.shopify.com/s/files/1/1994/1391/files/6036f626-7c6a-43b8-b005-59b8d986b30d.png?v=1776782147","https://cdn.shopify.com/s/files/1/1994/1391/files/06f21293-479c-4408-8526-df21767b27cd.png?v=1776782147","https://cdn.shopify.com/s/files/1/1994/1391/files/9596fe3d-ecd6-4759-a739-f127daff3661.png?v=1776782147","https://cdn.shopify.com/s/files/1/1994/1391/files/37822a3c-12ed-4663-91e1-9348d36f1f4d.png?v=1776782147"],"price":1700,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:33.399Z"},"share_url":"https://firestarter.network/l/lst_Cywng83Q","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_Cywng83Q' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Isla Marquise Diamond Modern Unique Engagement Ring Solitaire (Setting Only)' and a budget_max comfortably above $1700.00 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."]}}