Original ring with onyx, 3 attached ruby beads and 4 diamonds

Fancy ring with high domed onyx and 3 mounted ruby beads and 4 brilliant-cut diamonds totalling ca. 0.35 ct, ca. STW (I)/SI1, 14K yellow gold, 13.3 g, ring size 58, 2nd half of 20th century, rubies partly abraded and with signs on surface, otherwise good condition.