Art Deco Cartier Platinum & 2.5 cts Old European Diamonds Pin Brooch Signed. A VERY RARE FIND: Museum Quality Antique Cartier Pin / Brooch Circa 1930s - Art Deco Platinum 2.50 cttw of Old European Diamonds 55 x 28mm 16.3 grams Hallmarked with Old Capital Letters Cartier Logo, Old Cartier Rhombus C & A Mark and Numbered Comes with Old Leather Jewlery Box.Excellent Condition - See High Resolution Pictures. Auctiva offers Free Image Hosting and Editing. The item "Antique Art Deco Cartier Platinum 2.5 cts Old Euro Diamonds Pin Brooch Signed" is in sale since Saturday, September 7, 2019. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Designer, Signed\Pins, Brooches". The seller is "ediamondatlanta" and is located in Alpharetta, Georgia. This item can be shipped worldwide.