18ct Fine Amethyst & Diamond Pear Shaped Pendant

Large 18ct pear shaped pendant set to the centre with a fine colour pear cut amethyst measuring approximately 15mm x 9mm in a rub over yellow gold setting with a lower surround of twenty four small diamonds set in a white gold semi-illusion setting.  There is an outer plain gold edging.  Overall the pendant measures 28mm x 20mm not including the ridged bail.  Weight 7.24g.  No hallmark but tests as 18ct gold.  Suspended from an 18" 9ct trace chain weighing 1.4g.
PLEASE NOTE:  This item is not in the centre.