Vintage green tourmaline and diamond floral cluster ring

Green tourmaline and diamond floral cluster ring in platinum and 18kt yellow gold. Centred with an oval mixed cut green tourmaline in a raised yellow gold claw setting, durrounded and flanked by round old cut diamonds in half rubover and grain settings, to an oval floral cluster ring with fine yellow gold claws, millegrain scalloped borders and pierced open gallery, met to either side with diamond set shoulders which terminate to a solid shank.