Support

Mailing Address:

26497 Rancho Parkway South | Lake Forest, CA | 92630

Product Support & General Inquiry:

Sales Support:

Warranty Info

At LIQUIDIAMOND™ Knives, we believe in standing behind our products. Therefore, we offer a limited lifetime warranty on all of our knife products. Please complete and submit the form below to register your product(s).

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The warranty covers all defects and damage to the knife in accordance with our Care/Use Guidelines (see next section). We will repair or replace your qualified, and registered product for life. If you believe your LIQUIDIAMOND™ Knives are ever damaged or defective, please contact customercare@liquidiamondknives.com.

Further, to ensure you remain completely satisfied with the performance of your LIQUIDIAMOND™ Knife, we offer complimentary professional sharpening of your qualified and registered product for life. You only need pay the nominal shipping & handling costs. Should you ever feel your LIQUIDIAMOND™ Knife has lost its edge, please contact customercare@liquidiamondknives.com.

Care/Use Guidelines

The LIQUIDIAMOND™ Edge product is unique in its construction with a stainless steel body and and edge made from the LIQUIDIAMOND™ alloy. Like all quality knives we recommend that you wash them by hand and dry before storing in a safe place. It is always best when using the product to use it on a knife friendly cutting surface or cutting board to extend the life of the sharp edge. You should experience edge life several times better than you see with a steel knife. We do not recommend using a honing steel to "align" the LIQUIDIAMOND™ Edge. The LIQUIDIAMOND™ Edge is much harder than steel with different wear mechanisms and does not fold over like steel.

Return/RMA Procedure

Please contact us at customercare@liquidiamondknives.com for specific return instructions and Returned Material Authorization (RMA). Please make the subject line read: “RETURN REQUEST” and include all pertinent details in the email body, including your registered customer name.

We will contact you promptly to address your concerns.