Gemstones Enhancements

Unpolished gemstones are typically very rough. Looking at gemstones straight from the mine, they might be mistaken for pebbles or gravel.

Almost every colored gemstone you will come across has been heat-treated. It is a common practice around the globe and has been going on for centuries. Heating completes a process nature started, and is used to enhance the colors of a gemstone.

The jewelry industry recognizes heating as acceptable and expected processes. Heating is part of the standard polishing and finishing process for many gemstone varieties. The heating of gemstones is a practice accepted by the jewelry industry, the American Gem Trade Association (AGTA), and by Jacob Ruth & Co..

For a more detailed understanding of various enhancement practices, please read the AGTA's explanation of gemstone enhancements.

Read Gemstone Care to learn how to ensure your gemstone lasts for a lifetime.

I offer online scheduling using BookFresh

Expert Guidance

Need guidance before you start diamond shopping? This simple diamond guide explains the four Cs of diamonds: cut, color, clarity, and carat weight. Select your diamond based on the same criteria jewelers use to grade them. After reading through this guide, you'll be ready to choose the diamond that's right for your taste and budget.

Newsletter Signup

Enter your email to hear from Gregg Helfer Ltd!


Customer Testimonials

Upfront, professional and real. Best jeweler in Chicago! Made my dream ring..like he was reading my mind.

– Jackie V.… Chicago