{"product_id":"marcus-co-star-sapphire-brooch-with-van-cleef-arpels-frame","title":"Marcus \u0026 Co. Star Sapphire Brooch with Van Cleef \u0026 Arpels Frame","description":"Two of the 20th century’s most distinguished jewelry houses come together in this striking star sapphire brooch. The Art Deco-era platinum pin is signed Marcus \u0026amp; Co. and surrounded by an 18K yellow gold frame signed Van Cleef \u0026amp; Arpels. Diamonds totaling approximately 3.00 carats trace the open circular form. The frame’s sculptural rope twist border adds texture and a bold, pointed silhouette. \u003cbr\u003e\u003cbr\u003e At its center, an oval star sapphire weighing approximately 3.00 carats displays a rich blue hue. Its domed surface reveals asterism, an optical phenomenon that creates a star when light reflects from tiny inclusions within the gemstone. This shifting star adds to the sapphire’s appeal, complemented by sparkling diamonds and richly textured gold. \u003cbr\u003e\u003cbr\u003e Platinum pin circa 1935 \u003cbr\u003e\u003cbr\u003e Signed by Marcus \u0026amp; Co. and Van Cleef \u0026amp; Arpels \u003cbr\u003e\u003cbr\u003e 1 1\/4\" length","brand":"M.S. Rau","offers":[{"title":"Default Title","offer_id":46244108664967,"sku":"32-3264","price":27000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0083\/2471\/0466\/files\/32-3264_1.png?v=1792443693","url":"https:\/\/rauantiques.com\/products\/marcus-co-star-sapphire-brooch-with-van-cleef-arpels-frame","provider":"M.S. Rau","version":"1.0","type":"link"}