The true value of a piece of jewelry, timepiece, home accessory or gift from Herman Hiss is in the eyes of the beholder. Properly cared for, our pieces become a priceless family heirloom, passed down for generations. If you have any questions about any of our products before or after purchase, please visit our Bay City store.




The relationship between a diamond’s cut, color, clarity and carat weight determines its dollar value. Learn more on our Diamond Education page.


We are happy to offer tips for cleaning and maintaining your watch in peak condition. When it comes to repairs, though, please visit the expert jewelers at our downtown Bay City store.

Care & Cleaning

Each precious gem and metal requires specific cleaning techniques. Visit our Care & Cleaning page to learn the best techniques for your fine jewelry. If you still have questions, please stop in our store for an in-person consultation.


Precious Metals

Silver and gold may be traditional, but they aren’t your only choices for precious metals.


Adding a birthstone is a classic and colorful way to personalize jewelry.




Color is the single most important characteristic for gemstones. Other factors, though, influence the beauty and value of a gem.