.17 Antique Art Deco Sapphire Brooch 14kThis Art Deco filigree brooch features a . 17 carat French cut Montana sapphire set in 14 karat white gold over yellow gold. The sapphire sits in a bezel setting at the center of ornate filigree metalwork accented with milgrain detail. At 2. 5 inches in length, this brooch makes a statement on a lapel or winter coat. The French cut on the sapphire creates geometric facets that catch light at multiple angles. Montana sapphires are known for their