Vintage platinum flower brooch set with seven star sapphires with 108 round and 10 baguette cut diamonds with an estimated total weight of 3.19 carats

Edwardian Belle Epoch platinum on yellow gold brooch with 56 rose cut dias eight rubies and pearl drop

Magnificent Antique Edwardian Belle Epoch shield shaped brooch/pendant in platinum and 14kt yellow gold featuring two round Ceylon Sapphires with a total weight of 2.49 carats and 48 round, european cut diamonds with an estimated total weight of 2.00 carats

Art Deco platinum on 14kt yellow gold elongated broch set with one 1.18 carat round ruby and one 5.9mm cultured pearl and 12 old round diamonds with an estimated total weight of .40 carat

1950's mid-century platinum brooch with four marquise shaped emeralds set amongst 44 round brilliant cut, four marquise shape and 11 baguette cut diamonds with an estimated total weight of 3.00 carats grading as G-H in color and SI1-VS1 in clarity

Platinum Art Deco brooch with five round, european cut diamonds estimated to weigh 1.60 carats total and 43 round diamonds estimated to weigh 1.40 ct total

Art Deco platinum brooch centered by one estimated 1.15 carat round, european cut diamond accented by six baguette and 50 round old cut diamonds

Art Deco platinum filigree brooch set with 24 round, european cut diamonds with an estimated total weight of 2.00 carat and 20 half moon shaped blue sapphires

Art Deco platinum 32mm circle brooch set with 18 old mine, european and single cut diamonds with an estimated total weight of 1.25 carats

Art Deco platinum on 14kt yellow gold Filigree brooch set with 17 round european and old mine cut diamonds with an estimated total weight of 3.50 carat

Antique Edwardian filigree platinum brooch set with 31 round, european cut diamonds with an estimated total weight of 1.60 carats

Art Deco 35mm circle brooch set with 27 round, european cut diamonds with an estimated total weight of 4.00 carats grading as G-H in color and VS in clarity

Art Deco platinum on yellow gold 35mm circle brooch set with one estimated .41 carat and 22 smaller european cut diamonds with an estimated total weight of 1.76 carats

Art Deco Filigree brooch set with 33 round european and old mine cut diamonds with an estimated total weight of 1.00 carat

Art Deco platinum filigree brooch/pendant set with old marquise and european cut diamonds with an estimated total weight of 5.00 carats and six french cut emeralds

Art Deco elongated platinum bar pin set with 30 round mine and european cut diamonds with an estimated total weight of 2.00 carats

Art Deco platinum brooch set with 29 old mine cut diamonds with an estimated total weight of 2.50 carats

Art Deco platinum filigree bar pin with 80 single cut and seven round european cut diamonds with an estimated total weight of 1.50 carats accented by 18 baguette cut blue sapphires

Art Deco platinum filigree elongated bar pin with 27 round, european cut diamonds with an estimated total weight of 1.50 carats

Art Deco platinum circle brooch with bow top containing an estimated 3.00 carats of round, european cut diamonds

An important platinum rectangular Art Deco Brooch measuring 72x25mm centered by three bezel set round, european cut diamonds with an estimated total weight of 3.83 carats accented by 138 round european cut and 30 square Carre cut diamonds with an estimated total weight of 10.90 carats

Art Deco platinum circle bow brooch with an estimated .50 carat kite shjaped diamond accented by 42 round, european cut diamonds with an estimated total diamond weight for the brooch at 4.88 carats

Late Edwardian early Art Deco platinum circle bow brooch set with an estimated two carats of round, European cut diamonds that grade as G-H in color and SI1-VS1 in clarity

1950'S Retro Platinum Brooch With 40 Round And Five Marquise Shaped Diamonds Estimated To Weigh A Total Of 2 Ct