Lariat made from royal chain with diamonds

Byzantine lariat necklace, satin finish, brillant-and single- cut diamonds totall. 0.20 ct, good colour and clarity, sapphire, rubies and emeralds, 18K white gold, 118 g, L: ca. 105 cm, B: ca. 0.3 cm, late 20th century, minor signs of wear, clasp flexible, handcraftet work.