Oeschinensee: A Stunning Lake & Mountain Coaster in Switzerland to Add TI SENTO Earrings 7709GG. These TI SENTO earrings have a grey green cabochon (smooth) cut crystal, in a bezel setting. This TI SENTO design is part of the Mix & Match concept. The TI SENTO collection contains matching rings, bracelets and necklaces, for example. This way you can keep your favorite jewellery piece save on the rare moment when you are not wearing it.