Best Diamond Bracelets : SAPPHIRE AND DIAMOND BROOCH, 1920S Designed as a bow, the borders set with calib… August 16, 2018 3019 Facebook Twitter Pinterest WhatsApp Best Diamond Bracelets : SAPPHIRE AND DIAMOND BROOCH, 1920S Designed as a bow, the borders set with calibré-cut sapphires, millegrain-set with circular and single-cut diamonds.