Items that contain at least 950 parts per thousand pure platinum can be marked simply platinum. Items that have at least 850 parts per thousand pure platinum can be marked with amount of pure platinum and word platinum or an abbreviation (for example, 950 platinum, 900 Plat. or 850 Pt.). Jewelry that contains less than 850 parts per thousand pure platinum, but has a total of 950 parts per thousand of platinum group metals (of which at least 500 parts is pure platinum), may be marked with both amount of pure platinum and amount of other platinum group metals in piece. For example, marking 600 Plat. 350 Irid. means that item has 600 parts per thousand (60%0 platinum, and 350 parts per thousand (35%) iridium, totaling 950 parts per thousand of platinum group metals, and 50 parts per thousand (5%) other metals.

In addition, these tips apply when you’re shopping for jewelry online:

7.Shop with companies you know or do some homework before buying to make sure a company is legitimate before doing business with it. 8.Get details about product, as well as merchant’s refund and return policies, before you buy. 9.Look for an address to write to or a phone number to call if you have a question, a problem or need help. 10.If you have a problem with jewelry you purchased, first try to resolve it with jeweler. If you are dissatisfied with response, contact your local Better Business Bureau or local consumer protection agency.