a ring with a deep green gem

The ring is round and perfectly shaped to fit around a finger. Only a small
marking can be found on the inside of the ring, a signature of the silversmith
that forged it. The top of the ring features a square, silver setting with room
for a gem.
The ring has been embedded with a lustrous green emerald.

It is a ring with a deep green gem.
It weighs a few ounces.

You identify a ring with a deep green gem.
It is an anti-summoning object. It is efficient against long range spells.
It weighs four ounces, and it is worth about 40 lauren.
Its keywords are ring, deepgreen-ring, and green.