the detachable head with a central line of grain set graduating round brilliant cut yellow diamonds, diameter from 4.1 to 4.8mm, surrounded by pavé set round brilliant cut diamonds and with two brown diamonds for eyes, the mouth represented by a graduated line of round faceted tsavorite garnets, threaded fitting with two figure of eight safety catches, white and yellow metal articulated snake link back chain, width 6mm, tapering to a pavé set diamond tail section, diamond set hinged bar clasp, estimated approximate total diamond weight 6.00ct, length 47cm, unhallmarked, stamped '18ct', weight 54.8g