This pendant features a 9x8mm Australian LightOpal set in 9K yellow gold. It's important to note that all Australian Opal Cutters jewelry and loose opal items are covered by an international warranty. If you have any specific preferences, modifications, or color requirements for your opal, please include a note during the checkout process. We offer the option to change or upgrade your opal or even alter the design of any item we have available, though this may come with an additional charge. Please keep in mind that the opal you receive may not be an exact match to what you see online. Opals are known for their dynamic play of colors, which can be challenging to fully capture through photographs.