A hardstone cameo and diamond ring, by Tony White, set with an oval cameo depicting a Roman Caeser within a brilliant-cut diamond surround, mounted in 18ct gold, signed White, ring size M 1/2.
- Hardstone - Hardstone is not a scientific name for a particular gemstone, but a word used to describe any one or more semi-precious stones used in jewellery and decorative arts, and can include jade, agate, onyx, rock crystal, amber, jet and carnelian. Softer stones and minerals such as soapstone, and alabaster and hard stones used in building such as marble or granite are generally excluded.
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