The purplish red stone is cut en cabochon which was often found in jewellery from Russia c 1840s. However it's purely the cut of the stone, and apart from this I'm afraid, the Russian similarity ends.
It looks like it could be Celtic Jewelry. They used silver. Cheers!
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answering to previous comment by: ronni
Yes it has the 925 mark on it and your right, when I hold it up to the light it's more of a fushia color. And yes you can see the stone from the back, I just have no clue how old it is or anything, I just know it looked just as old 31 years ago when it was givin to me as it does now.
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Small Ring Size by: Anonymous
It's a tiny ring size that's for sure!
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More Info by: Anonymous
Hi Ronnie What a lovely ring! It could indeed be an old ring but more info would help. It doesn't look like the typical garnet jewelry favored by the Victorians. Are there any markings on the ring anywhere? Can you see the stone from the back, or not? It looks like an oval cabochon, not a faceted stone? Have you tested the metal? If not how do you know it's silver? Is it marked? It looks more purple than red in the photograph. What color is it in real life?