All Gemstones A collection of Precious stones & Semi-precious stones.

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gemstones

Buy loose natural Gemstones from our collection of multicoloured faceted and cabochon Gemstones.

See the Ruby Mill A to Z Gemstone Guide for more general information on gems, together with their properties and common treatments. Also, see Birthstones to match each month of the year to a specific gemstone, based on the Modern System (includes alternate semi-precious stones for each month, where applicable).