Cynthia Sliwa is truly a jewelry and style expert. She is the co-author of the book Jewelry Savvy: What Every Jewelry Wearer Should Know. Also, for half a decade she wrote the Jewelry Fashion File blog for JCK Magazine, a highly respected source of information on the jewelry industry. Today she runs three websites: The Image Counselor (fashion consultation), Truly Becoming (style for women in their 40s and above) and…