lost while travelling the west coast of ireland

large gold trianglar celtic style pendant and chain with 9 birthstones set into it.size around 2 1/2''x 2 1/2''x2 1/2''. my mum and dad were travelling ireland and stayed in various b&b's on the west side of ireland. Reward offered for its return. it is of great sentimental value as i handmade this for her 60th birthday. please help.thank you