Best Diamond Bracelets : SAPPHIRE AND DIAMOND BRACELET, CIRCA 1965. The wide open work band set at the ce… August 15, 2017 3055 Facebook Twitter Pinterest WhatsApp Best Diamond Bracelets : SAPPHIRE AND DIAMOND BRACELET, CIRCA 1965. The wide open work band set at the centre with a step-cut sapphire, further set with calibrĂ©-cut sapphires, circular- and single-cut diamonds, length approximately 180mm.