Brooches : Russian Gold, Silver, Alexandrite and Diamond Pin 14 kt., 24 oval alexandrites,… 3 June 2018 3150 Brooches : Russian Gold, Silver, Alexandrite and Diamond Pin 14 kt., 24 oval alexandrites, single-cut diamonds, with maker's mark & Russian assay mark, ap. 3 dwt. Sold for 2,750 dollars