This is the one you will get.
The stone is 1-7/8 inches tall, nearly 1-1/2 inches wide and
1/4 of an inch thick. It is rounded on the top and flat on
the back. The large (4mm) 20 inch long sterling silver chain
is included. The chain is hollow inside, but made of solid
sterling silver. The heavy duty bail is also solid sterling
silver. I assembled this piece myself.