What is 9kt Gold?
9kt gold is a type of gold commonly used in Australia and other countries such as the UK and South Africa. 10ct gold is often used in the USA. 9kt gold is essentially exactly for practical purposes as 10ct gold. In terms of hardness 9kt and 10ct gold are basically same when tested through the Vickers Scale of hardness. The reason for the different countries using 9kt or 10ct is mainly for historical reasons. When it comes to your jewelry, 9kt is a sound choice.
