Ceylon sapphire and baguette cut diamond step ring

Ceylon sapphire and baguette cut diamond step ring in platinum. Set with a 3.70ct oval mixed cut Ceylon sapphire with no indications of heat treatment in a slightly raised four claw settings, set to either side with four graduating rectangular baguette cut diamonds in rubover settings, to a stylish solitaire step ring with curving claws, polished borders and structured openwork gallery, the raised shoulders flow to a solid shank. Hallmarked platinum. Accompanied by Gemmological Certification Services certificate.