Precious stones and gemstones

Diamonds, ruby, sapphire, and differently coloured corundum,
Quartz group (citrine, amethyst, rose quartz, rock crystal etc.)
Garnet group (almadine etc.)
Zirconia (synthetic diamond substitute stone) must not be removed from the setting.

Opal, jet, turquoise must be removed from the setting in every case.


This listing does not claim to be complete - please consult your goldsmith or jeweller beforehand.