Collection of Three 1950s Gemset Eternity Rings pietra dura with black and coloured enamelling

with black and coloured enamelling (protected by some form of clear lacquer) on gilt metal

It's fashioned in 18 karat gold with clear London hallmarks precisely dating it to the year 1873

with shimmering greens and deep blues punctuated by flashes of orange and red that come and go as it moves in the light

the mask carved from a white section over the usual dull pinkish brown background

Collection of Three 1950s Gemset Eternity Rings pietra dura with black and coloured enamellingDATE: Mid Century, c. 1950 Exceptional collection of three gemset full eternity rings dating from the 1950s. With channel set emeralds, sapphires, and rubies, they're crafted in platinum throughout and remain in near perfect condition. Each sized at 8. 25 it's almost unheard of to fine a complete set of this age. STONES Natural Emerald, Sapphire, Ruby MEASUREMENTS Size: 8 (all three) Width of individual bands: 3. 2mm WEIGHT 13. 1g MARKS No marks