10k Gold and Citrine Shamrock RingLikely a conversion piece (from a brooch to a ring), this beautiful ring features three lovely, large faceted citrine stones set into a 10k gold shamrock on a 10k gold band. I have never seen a ring like this, but I have seen some late 19th century brooches in this exact shape, in both gold and silver, which leads me to believe this is a conversion piece. I'm not sure when the conversion was done, but the piece is not marked. However, both the setting