Estate Jewelry. Circa 1970s, 18k, Possibly Swiss. This gorgeous ring features a stunning 2.53ct no-heat Burma sapphire (AGL Lab report) surrounded by .84 carats of brilliant white diamonds (G color, VS clarity). Its classic design is a perfect match for the superb quality of its stones. Meticulous fabrication completes the visual narrative underscoring and enhancing the aesthetic of the piece. Excellent condition.