{"product_id":"gemstones-crystals-guide","title":"Know Your Stones","description":"\u003cp\u003eA complete gemstone reference for jewelry makers. Hardness charts, cuts and cabochon shapes, crystal systems, treatments, birthstones and how to judge stone quality.\u003c\/p\u003e\u003cp\u003eInstant digital download. Print it or keep it on your tablet.\u003c\/p\u003e","brand":"Jewellery Guide","offers":[{"title":"Default Title","offer_id":54657581449555,"sku":null,"price":0.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1097\/7021\/1667\/files\/hf_20260822_001130_166e472a-e08b-4f00-9fdc-9be31802dda9.png?v=1787358364","url":"https:\/\/vautly.com\/products\/gemstones-crystals-guide","provider":"Jewellery Guide","version":"1.0","type":"link"}