A collection of jewels, late 19th/early 20th century

A collection of jewels, late 19th/early 20th century, comprising: a diamond ring, set with a circular-cut diamond weighing approximately 0.25 carats, mounted in gold, size R, stamped 18CT; an expanding gold bracelet set with seed pearls and turquoise cabochons, stamped 15; a chrysoprase and seed pearl gold pendant necklace; a gold locket pendant set with a horseshoe motif in half pearls, length 4.8cm; a gold brooch designed as interlocking horseshoes in coral cabochons and half pearls, length 2.8cm; a garnet pendant of foliate design in stamped gold, possibly adapted from an earring, to a gold chain necklace; a brooch designed as two ribbon bows suspending a pansy, in gold applied with blue and pink enamel, set with seed pearls, length 4.9cm; and a bangle and brooch set with circular-cut and rose-cut garnets, bangle inner circumference 17cm, brooch length 4cm, pearls untested