This New Zealand Greenstone Disc Pendant would look great on anyone, but would be absolutely ideal for the guy who is hard to buy for. 

Made of New Zealand Pounamu Jade ( Greenstone), the piece is a good size and thickness.  The pendant measures approximately 28mm ( 1 1/8") in diameter, and 4mm (1/4") thick.

The round piece of greenstone rests on a traditional adjustable black cord with sliding knot.  Length of cord adjustable up to 30" (76cm).

Proudly made in New Zealand.