18 an 14 ct. yellow and white gold, marked. The lemon citrine in faceted cut trillant cut (approx. 26 x 27 x 16 mm). Black rubber necklace with 18 ct. yellow gold clasp l. 42 cm, additional necklace with 18 ct. white gold clasp l. 57 cm, weight in total approx. 40 g.