Brooches Jewels : Antique Edwardian brooch pin. Demantoid garnets, rubies, pink sapphires, diamond… 7 June 2018 3345 Brooches Jewels : Antique Edwardian brooch pin. Demantoid garnets, rubies, pink sapphires, diamonds and pearls set in 14k gold. Made circa 1900 – 1910.