Piranesi Black Diamond White Gold Bombe Ring

An 18 karat white gold and black diamond ring, Piranesi.  Designed as a bombe ring pave set all over the dome with numerous round brilliant cut black diamonds.  Total black diamond weight approximately 9.61 carats.  Size approximately 4 1/2.  Gross weight approximately 13.90 grams.  Signed Piranesi.