What is the difference between platinum and white gold?
Platinum is a naturally white metal that will never lose its brilliant lustre. White gold is an alloy created using yellow gold. White gold looks similar to platinum, but it usually needs to be replated over time to maintain its white colour, adding additional expense.
How do I know that a piece of jewellery is made of platinum?
All platinum jewellery is hallmarked. There is a symbols or mark that has to be displayed on a piece of jewellery to indicate that it is high purity platinum. In India,shown below is the mark to look for: