Platinum is the strongest, purest and whitest of all the precious metals and due to these extraordinary properties can be fashioned to the finest degree, which makes the perfect metal for fine jewellery, such as jewellery from the Art Deco Period.
When purchasing an item of jewellery always look for a carat mark, which should be stamped on it. This quality mark refers to the proportion of precious metal in an item. Common markings found on jewellery and their metric equivalents are:
- 22ct or 916 Yellow Gold
- 18ct or 750 Yellow or white gold
- 14ct or 585 Yellow or white gold
- 9ct or 373 Yellow or white gold
- PT or 950 Platinum
- PD Palladium
- 925 Sterling Silver
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