{"product_id":"australian-opal-doublet-ring-18kg","title":"18k Gold Australian Opal Doublet Ring","description":"\u003cp\u003eMaterials: Narrow Australian opal doublet set in 22k gold bezel with 18k backing and 2.5mm band\u003c\/p\u003e\n\u003cp\u003eSize: 6\u003c\/p\u003e\n\u003cp\u003ePetra Class, a talented artist from Germany, studied art history and philosophy at the University of Stuttgart before undergoing rigorous training in metalsmithing and design. Her experience as a silversmith deeply influenced her jewelry-making approach, rooted in European applied arts. While living in Berlin before the Wall fell, Petra began creating and showcasing her jewelry in galleries across Germany.\u003c\/p\u003e\n\u003cp\u003eAfter marrying Steve, a Californian, she moved to San Francisco and founded her jewelry design studio in 1991. The blend of her classical training with California's nature-inspired ethos formed her distinctive style. The studio evolved into a family-run atelier, now spanning two generations on the West Coast and in New York City, with a skilled team including her son Lucas, daughter-in-law Phoebe, and bench jewelers Morgan, Clio, and Emma.\u003c\/p\u003e\n\u003cp\u003eLucas, who grew up in the studio, began working full-time in 2020, driven by a desire to explore his creativity. Phoebe joined in 2022 to manage the New York studio after a successful career in fashion. Morgan, with the studio since 2014, produces intricate pieces from Portland, while Clio and Emma support the team in New York.\u003c\/p\u003e\n\u003cp\u003ePetra divides her time between San Francisco and the German countryside, where she creates one-of-a-kind pieces. The studio crafts jewelry from recycled 22-karat and 18-karat yellow gold, using ethically sourced gemstones and traditional techniques. The designs highlight vibrant colors and textures, aiming to create captivating, meaningful pieces.\u003c\/p\u003e\n\u003cp\u003eThe collection features rhythmic arrangements, contrasts in textures, and a diverse palette of gemstones, including aquamarine, emerald, and lapis lazuli. While yellow gold is preferred, pieces can also be made in white or rose gold upon request.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Petra Class","offers":[{"title":"Default Title","offer_id":52978619351362,"sku":"RyNBOpalOvalMed-R-C","price":3875.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0115\/9482\/files\/9_9f8830bd-6fef-4551-aeb4-fed3d5173072.png?v=1778075707","url":"https:\/\/thestore.madmuseum.org\/products\/australian-opal-doublet-ring-18kg","provider":"The Store at MAD","version":"1.0","type":"link"}