The classic Tiffany Setting ring, a lovely diamond and platinum solitaire. Tiffany & Co. is renowned for their elegantly designed solitaire ring setting, and this is no exception. The round brilliant cut diamond weighs 1.01cts and is GIA-certified with E color and IF (internally flawless) clarity. The polish and symmetry are both GIA-certified at the highest level, Excellent. The inside of the band is stamped Tiffany & Co.