Vintage 2.12ct Old European cut diamond and ruby coronet cluster ring

Vintage 2.12ct Old European cut diamond and ruby coronet cluster ring in platinum and 18kt white gold. Set with a 2.12ct round Old European cut diamond, J-K colour, VS clarity in a raised claw setting, encircled by a row of round mixed cut rubies in four claw settings, to an oval cluster ring with curving claws, to a raised linear gallery, flanked to either side with slightly raised inwardly tapering shoulders which flow to a solid shank. Hallmarked 18kt gold and platinum, French.