An antique diamond tiara / necklace, set with old-cut and rose-cut diamonds, with a row of alternating old-cut diamonds, in rub over settings and old-cut diamonds in grain set chevrons. The rub over set diamonds surmount fan shaped mounts, each set with three rose-cut diamonds, with old-cut diamonds in flower shaped claw settings below, mounted in silver-upon-gold, on a removable frame. Circa 1890.