Length: 18.9 in. (48 cm.) Spring ring clasp measurement, 0.22 in. (5.5 mm. Ø) Weight: 17.17 g. Stones:- Cylindrical-cut lapis lazuli of 0.1 x 0.18 in. Ø (2.5 x 4.5 mm. Ø)- Cylindrical-cut jasper of 0.1 x 0.18 in. Ø (2.5 x 4.5 mm. Ø)- 18k yellow gold on cylindrical cut hematites of 0.04 x 0.18 in. Ø (1 x 4.5 mm. Ø)- 17 rondelle-cut faceted shapphires of 0.12 x 0.16 in. Ø (3 x 4 mm. Ø)- 21 rondelle-cut faceted emeralds of 0.12 x 0.16 in. Ø (3 x 4 mm. Ø)