Necklace and pendant with emerald,

Choker and pendant with emerald, emerald-cut approx. 2.91 ct, probably Colombia, very beautiful colour, with natural signs of growth, 18K yellow gold, 81 g, satin finished, choker: L: approx. 41 cm, W: approx. 1 cm, pendant: LxW: approx. 2.4 x 1.9 cm, eyelet D: 1.5 mm, pendant removable, 21st century, minimal signs of wear, with hallmark 'SRS'.