10ct natural diamonds neoclassical brooch 18kt gold platinum Ref 12316**Chairish Auctions4.5(10.3k)US$5,500
GIA Certified Natural Diamond Vintage Deco Pin Brooch Platinum 12418**Chairish Auctions4.5(10.3k)US$5,500
0.80 CARAT OLD EUROPEAN DIAMOND 0.08 CARAT SAPPHIRE PLATINUM PIN BROOCHModern Jewelry4.5(204)US$2,700Mar 03, 2026
2.50 CARAT OLD EUROPEAN CUT G VS DIAMOND PLATINUM PIN BROOCHModern Jewelry4.5(204)US$6,600Mar 03, 2026
