LOTHAR KUHN necklace with baroque Tahitian pearl and green diamonds

LOTHAR KUHN necklace with baroque Tahitian cultured pearl, drop shape 16.3x25.3 mm, silver-green lustre and green brilliant-cut diamonds totalling ca. 0.42 ct, treated, partly abraded and chipped, 18K white gold, blackened, 16 g, L: 39/42 cm, early 21st century, signs of wear, including certificate KUHNSTÜCKE, PP (2008): 3,400 €.