{"type":"firestarter.listing","listing":{"id":"lst_ye9ymR5u","product_name":"Kristina Oval Cut Green Sapphire Unique Vintage Halo Engagement Ring (Setting Only)","category":"Rings","description":"Introducing the exquisite Kristina Engagement Ring, a true testament to everlasting love and timeless beauty. This sapphire oval halo ring boasts a captivating pave setting that encircles a ethically sourced oval cut green sapphire, radiating brilliance from every angle. Available in rose gold, yellow gold, white gold, or platinum, this ring is the epitome of elegance and sophistication. With its stunning design and meticulous craftsmanship, the Kristina Engagement Ring is destined to take her breath away.\n ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/kristina-oval-cut-green-sapphire-unique-vintage-halo-engagement-ring_valley-rose.jpg?v=1752836055","https://cdn.shopify.com/s/files/1/1994/1391/files/kristina-oval-cut-green-sapphire-unique-vintage-halo-engagement-ring_valley-rose-2.jpg?v=1752836056","https://cdn.shopify.com/s/files/1/1994/1391/files/kristina-oval-cut-green-sapphire-unique-vintage-halo-engagement-ring_valley-rose-3.jpg?v=1752836058","https://cdn.shopify.com/s/files/1/1994/1391/files/kristina-oval-cut-green-sapphire-unique-vintage-halo-engagement-ring_valley-rose-4.jpg?v=1752836059","https://cdn.shopify.com/s/files/1/1994/1391/files/kristina-oval-cut-green-sapphire-unique-vintage-halo-engagement-ring_valley-rose-5.jpg?v=1752836061","https://cdn.shopify.com/s/files/1/1994/1391/files/kristina_ring_oval_green_sapphire_rose_gold_1.jpg?v=1770216502","https://cdn.shopify.com/s/files/1/1994/1391/files/kristina_ring_oval_green_sapphire_white_gold_1.jpg?v=1770216502","https://cdn.shopify.com/s/files/1/1994/1391/files/kristina-oval-cut-green-sapphire-unique-vintage-halo-engagement-ring_valley-rose-6.png?v=1770216502","https://cdn.shopify.com/s/files/1/1994/1391/files/kristina-oval-cut-green-sapphire-unique-vintage-halo-engagement-ring_valley-rose-7.png?v=1770216502","https://cdn.shopify.com/s/files/1/1994/1391/files/kristina-oval-cut-green-sapphire-unique-vintage-halo-engagement-ring_valley-rose-8.jpg?v=1770216502","https://cdn.shopify.com/s/files/1/1994/1391/files/kristina-oval-cut-green-sapphire-unique-vintage-halo-engagement-ring_valley-rose-9.png?v=1770216502","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","https://cdn.shopify.com/s/files/1/1994/1391/files/0f07b119-7a20-4d3e-a3e0-c8ece51f0d69.png?v=1776782147"],"price":2180,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:32.846Z"},"share_url":"https://firestarter.network/l/lst_ye9ymR5u","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_ye9ymR5u' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Kristina Oval Cut Green Sapphire Unique Vintage Halo Engagement Ring (Setting Only)' and a budget_max comfortably above $2180.00 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."]}}