λ A mixed group of jewellery, including: an abstract diamond ring, set with round brilliant-cut

λ A mixed group of jewellery, including: an abstract diamond ring, set with round brilliant-cut diamonds in white gold, total approximate diamond weight 0.85cts, size K, a diamond half hoop ring, set with six circular-cut diamonds in fluted white gold setting, stamped 18K, size K, a demantoid garnet pendant with a diamond-set bail and a mid 19th century coral and seed pearl oval brooch, length 3cm