Vintage Art Deco Platinum 3.50ct G VS Diamond Marquise Brooch Pendant

This impressive vintage Art Deco diamond brooch / pendant is set in rich platinum with a stunning array of high caliber marquise, brilliant and baguette cut diamonds.  The diamonds are G-H color and VS clarity and the total diamond weight approximately 3.50 carats.  

The piece is tested for platinum purity.  

 This piece measures a sizable 56mm in length by 33mm in width not including the bail.  

The weight of the piece is 20.5 grams.