Lifetime Diamond & Gemstone Guarantee

Lifetime Diamond & Color Gemstone Guarantee

Your diamond and gemstone jewelry should last forever. We're here to help that happen.

We guarantee our diamond, sapphire, ruby, and emerald gemstone jewelry for a lifetime. That guarantee, however, only works if we inspect it every six months. Our authorized jewelry professionals will inspect and document their findings, and fix any problems they find, and you won't pay a penny extra. We also guarantee the accurate carat weight of your diamond or gemstone and the gold content of your mounting.

Here's what's covered:

Stone Replacement

We will replace+ - free of charge* - any diamond, emerald, ruby, or sapphire covered by this Guarantee if it chips, breaks, or is lost from its original setting during normal wear. In order for your Diamond & Gemstone Guarantee to remain in effect, you must have your diamond and/or gemstone inspected and have the inspection documented every six months by an authorized representative at a KAY Jewelers store. In addition, all necessary repairs must be completed by our representatives.

*This includes the labor and materials necessary to set the replacement diamond or gemstone.
+Lab-created diamonds and lab-created gemstones will be replaced with lab-created diamonds and lab-created gemstones.

Mounting Guarantee

For twelve months from the date of purchase, we guarantee the mounting for your diamond, emerald, ruby, or sapphire against all defects in material or workmanship. We will repair or replace your mounting without charge if any defects are found during this period.

Creating a Masterpiece

Our diamonds and color gemstones are cut and polished by master craftsmen whose skills make your stone beautiful and brilliant. Furthermore, we guarantee the accurate carat weight of your stone and the gold content of your mounting.

Lifetime Diamond Trade-In Policy

You may trade in your diamond (excluding lab-created diamonds) for another diamond (excluding lab-created diamonds) at least double the trade-in value. The trade-in value is the original purchase price. excluding charges such as tax and shipping. Color gemstone and lab-created diamond jewelry items are not eligible for trade-in. Trade-ins of in-store and online purchases are accepted at most Kay Jewelers or Kay Jewelers Outlet locations. (Trade-ins are not accepted on Previously Owned Treasures or at or 

Free Lifetime Cleaning and Inspections

Bring your diamond or color gemstone jewelry into any Kay Jewelers or Kay Jewelers Outlet location as often as you wish for free professional cleaning and inspection. (Cleaning and inspections are not available at or

Return and Exchange Policy 

If for any reason you are not satisfied with your purchase, you may return or exchange it within 60 days to any Kay Jewelers or Kay Jewelers Outlet Store*, excluding Special Ordered watches, custom designed merchandise, ear piercing earrings, items engraved with personalized information, class rings, and merchandise received via the Jewelry Replacement Plan. Watches may be returned or exchanged within 30 days of purchase at any Kay Jewelers or Kay Jewelers Outlet store*, if in original condition (unworn and unaltered) and accompanied by the original packaging, warranty documents, and instructions.

*In-store purchases may not be returned or exchanged at or Only online purchases can be returned at or Exchanges are not accepted at or 

Get in Touch
If you have any questions concerning your jewelry or this Guarantee, we will direct you to the store nearest you.
Give us a call at 800-527-8029

Visit the KAY store near you to learn even more. Click here to find a store.