Category: General

What does QCD mean on jewelry?

QCD Trademark of Quality Color Design, Inc. What does 10k QCD mean? QCD = Quality Color Design Inc New York NY. How can you tell if a 14k white gold ring ...

Can gold be a element?

The element gold. Gold is element 79 and its symbol is Au. Though the name is Anglo Saxon, gold originated from the Latin Aurum, or shining dawn, and prev...