Find out more about what causes a diamond to chip, and 8 tips on how you can avoid chipping your diamond.
Read MoreThis article reviews the history of the conch "pearl," discusses S. gigas and its fisheries, and examines the gemmological properties and other characteristics of this attractive material.
Read MoreA treatise on the design, display, care and repair of fine gemstones.
Read MoreSeveral pearl-in-chicken cleaning experiments are carried out to test the validity of recipes from an ancient Egyptian source.
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Learn about morganite's durability and how to care for your morganite jewellery.
Read MoreLearn about amethyst's durability and how to care for your amethyst jewellery.
Read MoreLearn about opal's durability and how to care for your opal jewellery.
Read MoreLearn about fancy colour diamond's durability and how to care for your fancy-coloured diamond jewellery.
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Learn about sunstone's durability and how to care for your sunstone jewellery.
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