Carat Contents
Platinum
* 999 (also known as three nines fine)
* 995 (what most dealer would buy your platinum at if it is 100% pure)
* 950 (the most common purity for platinumjewelry)
* 900 (also known as one nine fine) * 850
Gold
Definition of Caratage in gold content for recognized international standards
Silver
The Caratage (Karatage) System For Silver Jewelry