Gold pendant, design J. Kieback, decorated with tourmaline, four rubies and mother of pearl

Gold pendant, design J. Kieback, decorated with tourmaline, four rubies and mother of pearl
yellow gold 18 k; mother of pearl, l=5 cm, 1 tourmaline oval faceted, colour green, eye-clean clarity, approx. 1,1 ct., 4 rubies round faceted, colour red, clarity SI, approx. 0,1 ct., 14,41 g