A pair of onyx and diamond earclips, by Trianon, and an onyx and diamond bead necklace

A pair of onyx and diamond earclips, by Trianon, and an onyx and diamond bead necklace
Each bombé shaped onyx earring with brilliant-cut diamond details, clip fittings, 2.4cm long; the onyx bead necklace with smaller onyx bead spacers and brilliant-cut diamond-set roundels to a brilliant-cut diamond pavé-set spherical clasp, 48.0cm long
Earclips signed Trianon (3)