In first class condition, and classic style, a 14 ct yellow gold signet ring. Inset with onyx upon which is mounted the cross , surrounded by 4 smaller crosses and the word Jerusalem engraved to the centre. 
Dates around the middle of the 20thC
Marked for 14ct gold and electronically tested.
Current size X (UK), 11 5/8 (US)
Height 0.5 inch, 1.25 cms
Weight 13.4 gms
The pictures are taken under high light  and close up. Tiny manufacturing imperfections are present which are not apparent unless viewed under magnification.