The green abalone cabochon shown here is 25mm long. It is available to be handcrafted into a custom made ring or pendant for you.
This cabochon has been dyed. You can read more about gemstone treatments here. In order to keep your jewellery looking good, it is recommended that you do not get it wet or expose it to sunlight for prolonged periods. Your piece can be cleaned using a soft silver polishing cloth.