VINTAGE PLATINUM PIN BROOCH WITH 12.05 CARAT ROUND AND TAPERED BAGUETTE DIAMONDSModern Jewelry4.4(204)$26,250May 17, 2026
GIA Certified Natural Diamond Vintage Deco Pin Brooch Platinum 12418**Chairish Auctions4.5(10.4k)$5,500
10ct natural diamonds neoclassical brooch 18kt gold platinum Ref 12316**Chairish Auctions4.5(10.4k)$5,500
4.05 CARAT CIRCULAR BRILLIANT CUT AND BAGUETTE DIAMOND PLATINUM PIN BROOCHModern Jewelry4.4(204)$9,600May 17, 2026
