Leave adjustments and service to us

The first engagement ring sizing is free of charge.

And every other year you can take advantage of the possibility to restore your ring (cleaning and complete surface renewal).

Other adjustments are performed for a fee, as are repairs of mechanical ring damage.


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Lifetime guarantee Craftsmanship and material on all our rings are covered by a lifetime guarantee. Free adjustments If you buy the wrong engagement ring size, we will perform the first adjustment for free. Free service You are entitled to a complete cleaning and renewal of all your BISAKU rings free of charge every two years. Exchanges within 90 days We will exchange any unworn BISAKU engagement ring within 90 days of its date of purchase.

Every ring from BISAKU
comes with free lifelong service

If you treat your rings with the care they deserve, they will serve you for a long time without the need for renovation.

However, if service is necessary, we will clean your ring free of charge every two years and give it a new shine.
The surface is restored by polishing and sandblasting; we will clean deposits around the stones and restore the rhodium plating.
Free service does not include the removal of mechanical damage (scratches, nicks, deformation ...).

These repairs are performed for a fee. Read our practical advice for taking the best care of your wedding ring.
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The new 40-page BISAKU 2020 catalogue.