Amber gold jewelry set

18 K modern curb-style gold chain (length: 41 cm) in a gold frame with a heart-shaped, cabochon-cut amber. 8.75 grams (including necklace); a pair of leverback-style gold earrings with cabochon-cut ambers (total: 4.77 grams). Signed: with a fineness of 750 and a posterior, domestic gold hallmark of 750, used from 2016 onwards. End of the 20th century.