Jewelry Services

Warranty Service

Warranty Service

Preferred Jewelers International Warranty is included with your purchase.
(Services others may charge for we proudly provide at no additional cost.)

  • Clean and polish
  • Retipping prongs
  • Tightening diamonds and gems
  • Replacement of a missing diamond up to 0.20 carats

Learn More



Over time your life changes, your jewelry can grow with you.

  • Trade your previous Alter’s diamond jewelry purchase for the full price paid when you spend double the purchase amount (see store for details)
  • We accept trades on diamond jewelry not purchased from Alter’s as well
  • We often offer a trade opportunity even if you do not choose to double up

Contact Us

Jewelry Insurance

Jewelry Insurance

Insure your jewelry for peace of mind.

  • We encourage you to insure your fine jewelry for your protection. Warranties are not insurance.
  • We recommend Zillion and Jewelers Mutual
    • Zillion offers ten days of coverage on a new purchase with no payment required if you opt for it

About Zillion About Jeweler's Mutual

Use this space to save the products you like. To add a product here, simply click the icon.


©2024 Alter's Gem Jewelry, All Rights Reserved Return PolicyPrivacy Policy

Managed byBluestar Applications

Alter's Gem Jewelry Close

We value your privacy

On our website, we use services (including from third-party providers) that help us to improve our online presence. The following categories of cookies are used by us and can be managed in the cookie settings. We need your consent before being able to use these services. Alternatively, you may click to refuse to consent, or access more detailed information and change your preferences before consenting. Your preferences will apply to this website only. You can change your preferences at any time by clearing your browser history/cache or visiting our privacy policy page.

By authorizing third-party services, you allow the placement and the reading of cookies and the use of tracking technologies required to keep our website reliable and secure.

These cookies are required to run available services and to provide basic shopping functions. These cookies are exempt from consent according to the exceptions provided by the Article 82 of Data Protection Act.
These cookies provide a custom experience on our website.
These cookies allow us to measure visitors' traffic. They help allow us to understand which products and actions are more popular than others.

Review and set your consent preferences for each partner below. Some personal data is processed without your consent, but you have the right to object.

Rolex (Adobe Analytics and Content Square)

Privacy policy: https://www.rolex.com/legal-notices/cookies.html
Purposes (consent)
Legitimate interest Purpose(S)

We are using cookies to give you the best experience on our website.

You can find out more about which cookies we are using or switch them off in settings.