Platinum Diamond and Sapphire Bow Brooch, circa 1920s

Art Deco Emerald and Diamond Brooch Clips Circa 1920's in Platinum Two Cushion Cut Emeralds Weighing .70 Carats Approximately Two Old European Cut Diamonds Weighing .65 Carats Appro...

Extreme Art Deco Diamond and French Cut Onyx Brooch c.1920's in Platinum One Old European Cut Diamond weighing .30 carats approximately Two Old European Cut Diamonds weighing .20 car...

1920's Art Deco Diamond and Onyx Circle Brooch in Platinum Great For a Formal Occasion or a Casual Wear Fourteen Old Mine Cut Diamonds Weighing .45 Carats Approximately Thirty Fre...

Colombian Emerald and Diamond Necklace/Brooch circa 1920s GIA Certified One Emerald Cut Emerald 3.50 carats approximately GIA Certified Columbian with The Minor Treatment. [The Emerald has been in The Mounting Since It's Original Construction in The 1920's The Treatment would be Nothing More Than The Oil of The Day] Two Old European Cut Diamonds weighing 1.65 carats approximately [GH VS2 - SI1] Two Old European Cut Diamonds weighing 1.25 carats approximately [GH VVS-VS] Exceptional Quality Throughout Platinum Diamond Chain...

A stunning, fine and impressive 4.45 carat diamond and platinum bow brooch; part of our antique jewelry and estate jewelry collections ...

Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 4.4 grams Diamond Details: .25cttw, F color, VS Clarity, Old European Sapphire Details: Natural Sapphires, Cabacho...

A beautifully handmade brooch with a collection of sparkling diamonds and sapphires. The diamonds are old cut stones, with the central stone weighing 0.50 carat and the remaining tot...

Item Details: Metal Type: Platinum [Hallmarked, and Tested] Weight: 7.8 grams Diamond Details: 1.00ct total weight, Old European Brilliant, E/F Colors, VS clarity Pin Measurements:...