Three Edwardian gold brooches

Three Edwardian gold brooches, comprising: a yellow gold brooch centred with an oval-shaped amethyst above a crescent set with seed pearls between scrolling terminals suspending a heart-shaped pendant, stamped 9ct, width 6.2cm; a platinum and gold brooch centred with the Royal Navy badge set with diamonds and rubies and detailed with enamel, stamped 15ct and Pt, width 5cm; and a platinum and gold brooch set with three cushion-cut diamonds and two circular-cut sapphires, width 4.2cm