Antique Colour Change Sapphire & Diamond Marquise Cluster Ring

Antique colour change sapphire and diamond marquise cluster ring in 18kt yellow gold. Centrally set with an estimated 1.00ct cushion shape mixed cut blue to violet colour change sapphire in a slightly raised claw setting, framed by a row of twelve cushion shape Old Mine cut diamonds in claw settings, to an elegant marquise cluster with curving claws, intricately pierced open gallery and flanked to either side with round trumpeting shoulders which continue to a solid shank. Engraved to the inner ' Frtitz 8th 1878'.