Group of three rings, 18ct yellow gold ring featuring a bezel set princess cut emerald with pave diamond detailing stamped 750, together with a 18ct yellow gold V shaped band featuring channel set round brilliant cut diamond stamped 18ct, together with an 18ct yellow gold ring featuring old mine cut bead set tourmaline and diamonds stamped with Birmingham hallmarks for 1924-25 (3), 12.05 grams, sizes F1/2, K1/2, P