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<p>[QUOTE=&quot;George Chaney, post: 4506877, member: 19137&quot;]My take on it is from experience, unfortunately, I would not use an ultrasound cleaner on antique jewelry of any type. It can lead to disastrous results with missing stones, even for short bursts. When cleaning, do it by hand using a brush designed for gemstones, brush gently. No need for vinegar, you can use a gentle soap on this ring. The green could be a result of storing with costume jewelry. Many times fine jewelry is tossed in with costume which is prone to discoloration if not properly stored. If the marks are correct, it&#039;s easy enough to have it verified. If you are uncomfortable cleaning a piece, I recommend having a professional jeweler take care of it - that way if a stone pops out, its on them <img src="styles/default/xenforo/smilies/smile.png" class="mceSmilie" alt=":)" unselectable="on" />[/QUOTE]</p><p><br /></p>

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