Antique Art Deco old mine cut diamond square cluster ring c1920'sA wonderful antique old mine cut natural diamond cluster ring dating from the early Art Deco Era c1920's This unique beautiful ring is hand crafted in platinum and white gold. The square cluster design has a central pierced 'floating' section, grain set with a chunky, high crown old mine cut diamond. Each corner is grain set with nine chunky, high crown old mine cut diamonds! Each of the old mine cut diamonds have been hand cut so each one is totally