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Trademark for the Highest Quality
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The Secret of the Diamond W

The Diamond W, the Wellendorff trademark, signs each individual item of jewellery and vouches for the highest level of quality and extraordinary creativity. A full-cut diamond set in 18-karat gold turns it into an exclusive trademark. 

A sign of the utmost precision

Hanspeter Wellendorff put in place his vision to sign each individual piece of jewellery and place the Diamond W on it. In 1970, he established Wellendorff as a brand, and introduced the Diamond W shortly after that. Since then, all pieces have been adorned with it, symbolising the company's commitment to the highest level of quality, precision and craftsmanship – and representing Genuine Values. Tested and checked, the "Diamond W" guarantees quality that will last for generations.

Your Wellendorff Expert

Your Wellendorff Expert

Do you have any questions about our jewellery or would you like personal advice?
I am happy to help:
Phone (+1) 415 860 4010
E-Mail:
415-688-9076

Opening Hours:

Monday to Saturday: 10 am to 6 pm (GMT-8)

Wellendorff - Genuine Values