The AGTA defines 'enhancement' as any traditional process other than cutting and polishing that improves the appearance (color/clarity/phenomena), durability or availability of a gemstone.
Below is a helpful key describing what each treatment code means.
| N | Natural, or No Enhancement |
| H | Heating |
| HP | Heating and Pressure, or HPHT |
| O | Oiling |
| R | Radiation |
| U | Diffusion |
For a full list of treatment codes and more information, visit our treatments page.
Metals & Diamonds
Caring for your jewelery is easy! Most jewelry can be cleaned with warm water and a mild dish detergent, such as Dawn. This method is safe for diamonds, gold, platinum, and silver.
Gemstones
Extra care must be used when cleaning other types of gemstones. Find out how to care for your gemstone on our jewelry care page.
Protect your jewelry with GemShield®.
GemShield offers extensive protection against loss, theft, and damage. Have your jewelry repaired or replaced entirely with jewelry of the exact same quality. Learn more...
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return in exchange for a full refund. The item must be unworn or unused, and you’ll need the receipt or proof of purchase. Learn More
Custom-designed merchandise, watches, engraved items, family jewelry, and special order gemstones are not returnable.
