A collection of buttons, shirt studs and a fob seal, late 19th/early 20th century

A collection of buttons, shirt studs and a fob seal, late 19th/early 20th century, comprising: three buttons composed of faceted almandine garnets inset with circular-cut diamonds, 1.3cm diameter each; three shirt studs in blue enamel, applied with a fly set with rose-cut diamonds and cabochon ruby eyes, 0.8cm diameter each; four pendants set with small rose-cut diamonds, length 1cm each, hook fittings, central stones deficient; four guilloché enamel buttons, 3.2 x 2.3cm each; two malachite buttons centring on coronets, larger 3.7 x 3.0cm; and a bloodstone fob seal, height 2.7cm, stamped 9CT