{"type":"firestarter.listing","listing":{"id":"lst__EGZq4c9","product_name":"Avaluna Round Lab Diamond Unique Vintage Halo Engagement Ring (Setting Only)","category":"Rings","description":"The Avaluna Ring is a fantasy style halo ring. A kite shape halo hugs a round cut sustainable lab diamond. Tiny diamonds are organically set on the halo creating beautiful unexpected symmetry. The center diamond is prong set with 6 prongs and the ring is given a sumptuous finish. Band width 1.7mm the perfect size to ensure longevity. Center diamond carat size is 2cts. Total lab diamond carat weight for the side stones is 0.6 Ct.   ","images":["https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose.png?v=1754410765","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-2.png?v=1754410767","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-3.png?v=1754410768","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-4.png?v=1754410770","https://cdn.shopify.com/s/files/1/1994/1391/files/elain-marquise-lab-diamond-unique-fantasy-engagement-ring-ready-to-ship_valley-rose-12.png?v=1761578022","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna_round_diamond_white_gold_0000.jpg?v=1777214976","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna_round_diamond_rose_gold_0000.jpg?v=1777214976","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-6.png?v=1754410773","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-7.png?v=1754410775","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-8.png?v=1754410776","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-9.png?v=1754410778","https://cdn.shopify.com/s/files/1/1994/1391/files/cosette-dainty-diamond-modern-unique-bezel-engagement-ring_valley-rose-9.png?v=1776250093","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-11.jpg?v=1759418330","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-12.png?v=1754410784","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-13.png?v=1754410785","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-14.png?v=1754410787","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-15.png?v=1754410789","https://cdn.shopify.com/s/files/1/1994/1391/files/avaluna-round-lab-diamond-unique-vintage-halo-engagement-ring_valley-rose-16.jpg?v=1754410790","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":2730,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:33.067Z"},"share_url":"https://firestarter.network/l/lst__EGZq4c9","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__EGZq4c9' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Avaluna Round Lab Diamond Unique Vintage Halo Engagement Ring (Setting Only)' and a budget_max comfortably above $2730.00 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."]}}