For instance, platinum jewelry in India is stamped with a Pt950 mark, which denotes 95% purity. Be sure to keep an eye out for tamper-proof quality assurance cards.
[Jerome Kelty] crafts custom jewelry from platinum. Here’s an in-depth look at his process. The first step of his Instructable post is so long you might be fooled into thinking it’s the whole ...
For the online gold and platinum jeweler Menē, business is booming. It’s no surprise, when you consider that the direct-to-consumer jeweler has coined the term ‘investment jewelry’, by ...
Mike Maharrey interviewed Helen Viljoen, founder and CEO of Nebu Gold, a South African company that has pioneered the concept of “investment jewelry.” ...