Cartier 'Solitaire 1895' Diamond Promise Ring, 0.23 carats, in Platinum signed-designer A sleek summer style from

A sleek summer style from designer Mauboussin

Comprising 22 karat gold beads in hand hammered finish

Each prong-set round-diamond top suspending a detachable marquise and pear-shaped diamonds

Wear marks on cabochon rubies

Cartier 'Solitaire 1895' Diamond Promise Ring, 0.23 carats, in Platinum signed-designer A sleek summer style fromIf you've been searching for a refined and elegant promise ring, look no further than this "Solitaire 1895" ring from designer Cartier. The delicate style is formed in fine high polish platinum with a single brilliant cut diamond in a four prong mounting. The singular design is an established Cartier style dating back to 1895.