GELLNER Y-necklace with Tahitian pearl and brilliant-cut diamond

GELLNER Y-necklace with Tahitian cultured pearl ca. 11.7 mm, 1 brilliant-cut diamond ca. TIN (M)/I1, 18K WG, 10.1 gr, necklace L: ca. 36/40 cm, center part L: ca. 6 cm, 21st century, minor signs of wear.