Tiffany & Co 1.66tcw H/IF Embrace Round Brilliant Diamond Engagement RingA wonderful Tiffany & Co 1. 15ct H IF (Internally Flawless) Round Brilliant diamond engagement ring surrounded by a halo of smaller round brilliant cut diamonds and a further 0. 51ct of square cut diamond shoulders. A rare and very special ring which we have had recently serviced at Tiffany & Co. It is so special to find an internally flawless stone. The ring is supplied complete with original Tiffany & Co. boxes, diamond certificate and original