BLACK, STARR & FROST: AN EDWARDIAN DIAMOND STARBURST PENDANT/BROOCH Set with old European-cut diamonds, approximate total weight 5.50 carats, centering a later sapphire, mounted in platinum-topped gold, with retractable pendant bail, weight 12.0 dwt, signed BS&F for Black, Starr & Frost, length with bail 1 15/16, length without 1 11/16 in. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing