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Margherita Burgener
A Tanzanite, Emerald and Diamond Ring
Centering upon a cabochon tanzanite, weighing approximately 32.75 carats, within a surround of open pear-shape prongs set with circular-cut diamonds, each enhanced by a collet-set emerald, mounted in 18K white gold, size 7.
Signed 'Margherita Burgener', 'Italy', with an original box