Moghul emerald bead ring

An irregular shaped natural Colombian emerald bead (circa 6 carat) with a beautiful medium green hue, with a NEL ceritifcate giving the Columbian origin opinion and that the stone shows moderate oiling, Moghul, India, circa 17th or 18th century, made into a ring in a later gold mounting circa 1900.

weight: 4.5 gram
dimensions emerald: 1.2 x 1.4 x 0.9 cm.