Oxidized Sterling Silver, Gold and Diamond Antique Ring

Sterling Silver and possibly 19ct gold ring. The ring is hallmarked, indicating possibly Portuguese origin around 1900's. The ring is set with 1 old mine cut diamond around 0.10cts, and 4 rough cut diamonds around 0.03cts each. Condition is used, showing some wear and tear. This is a unique ring, showing serious skill in handmade jewellery techniques. A beautiful, one of a kind piece. Stunning dress ring or  engagement ring unlike any other