Prefinishing Platinum

Quality Assurance Benchmarks highlight workmanship of semi-finished and finished jewelry. Learn best practices for prefinishing platinum jewelry.

Perspective view of a platinum ring with a halo setting, featuring a split shank set with diamonds
Evaluate the quality of a platinum cobalt ring with no diamonds in the shank that was sized down using a torch. Contains video and illustrations.

Prefinishing: Quality Assurance Benchmarking

Little or no metal should be removed during the three steps of prefinishing platinum jewelry. If removing a small amount of metal is necessary, take the following precautions.

Close-up view of a jeweler using a rotary burnisher to prefinish the inside of a platinum ring

Platinum rings must be rounded prior to prefinishing

Side view of a platinum princess-cut solitaire

Maintain Design Elements and Engineering Detail

Perspective view of a platinum ring with diamonds set in the shank

Prefinish all small, hard-to-access areas

Two close-up views of platinum solitaire settings, featuring negative space and other design details

Maintain Dimensions

Shape Retention: Maintain Flat Areas

Prefinishing: Tools and Techniques

Abrasive Bands

Abrasive Papers and Film

Abrasive Papers and Film

Abrasive Papers and Film

Featured Quality Assurance Benchmarks

Quality of Platinum Jewelry that was Furbished by Burnishing

Refinish Worn Platinum Jewelry
Burnishing: Evaluate the Quality of Platinum


 

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    Evaluate the quality of platinum jewelry that has been worn and then refinished.

    Refinish Worn Platinum Jewelry

    Techniques for refinishing worn platinum jewelry


     

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      Learn how to evaluate the quality of a platinum ring that has been prefinished, polished, and buffed.

      Prefinish and Finish Platinum
      Evaluate a prefinished, polished, and buffed platinum ring

       

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        Evaluate the quality of the setting of a ring with platinum prongs

        Set a Round in Platinum Prongs
        Setting a round center stone in a ring with



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          Prefinishing Platinum