Question

1. Can you wear a ring with a black onyx signet stone in it (a non precious stone)?
2. Are rings that are hallmarked Silver: 925 permissible?
3. Which finger do you wear the ring on (men)?

Thanks

Answer

1. Yes, you can wear a ring with a stone in it.
2. Rings made from silver are allowed.
3. The small and the ring finger.  It is makrooh to wear it on the middle and the index finger and on the thumb.