Hans Feurer, Pirelli Callendar, 1976
1910s English Edwardian Five Diamond Ring, Approx. 0.75ctw European Cut Diamonds, 18K Yellow Gold and Platinum, $2150
Much better than average diamonds here for an English ring of this era.
1920s Art Deco Garnet and 1.20ctw European Cut Diamond Ring, Platinum Filigree, $3650