Platinum is basically a chemical element which has a chemical symbol of "PT" Platinum is known as one of the most precious metals in the world. in addition, platinum is a metal which is 30 times more rare than gold.
In jewellery industry, platinum's natural white brilliance gives a rich setting for diamonds so usually for wedding and engagement rings. Moreover, platinum plated does not oxidize or tarnish easily and it is also hypoallergenic.
The stone they use cubic zirconia which has hardness of approximately 8 on mohs hardness scale versus a rating of 10 for diamond. It's flawless and colourless. Due to it's low cost and close visual likeness to diamond, synthetic cubic zirconia has become the most important competitors for diamonds.
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