Leo Pizzo Diamond & Blue Sapphire 18k White Gold Brooch Pin.

This LEO PIZZO 18k white gold floral brooch pin, contain round cut blue sapphires of exquisite color weighing 4.27 carats total and round brilliant cut white diamonds of D-E color, VVS clarity and excellent cut and brilliance weighing 2.56 carat total.
The brooch measures approximately 1 x 1 inches.

Diamond and Fancy Multi Colored Stones 18k Two Tone Gold and Black Rhodium Brooch Pin.

This lovely 18k white and yellow gold with black rhodium flower brooch pin, contains 816 round brilliant cut white diamonds, of F color, and VS2 clarity, weighing 12.24 carats total, 692 round cut fancy yellow diamonds, weighing 6.17 carats total with 17 fancy multi colored stones of different shapes, weighing 5.09 carats total.
The diamond flower brooch measures 3 inches in length.

Diamond 18k Two Tone Gold Flower Pin. 

This lovely 18k white and yellow gold flower brooch pin, contains 163 round brilliant cut white diamonds, of F color, and SI2 clarity, weighing 3.32 carats total with 519 round cut fancy yellow diamonds, weighing 6.18 carats total.
The diamond flower brooch pin measures 48mm in length and 45mm at the widest point.