Two diamond set stick pins

the first, with a circular panel set with a central oval cabochon opal, surrounded by rose cut diamonds and black enamel, diameter 17mm, length 7.9cm, unmarked, tested as 9ct gold; the second, with a circular panel set with a central octagonal ruby, surrounded by rose cut diamonds, and a wide black border, diameter 17mm, length 7.5cm, unmarked, tested as 9ct gold, gross weight 7.8g (2)