How to Size Down a Platinum Cobalt Ring Using a Laser Welder (No Diamonds in the Shank) | GIA

This video is part of the Quality Assurance Benchmarks (QAB) of jewelry manufacturing developed by GIA. In this video you'll learn how to size down a platinum cobalt ring with no diamonds in the shank using a laser welder.

Learn more at https://www.gia.edu/quality-assurance-benchmark/sizing-down-a-platinum-cobalt-ring-with-no-diamonds-in-the-shank-using-a-laser-welder

View all QABs at https://www.gia.edu/quality-assurance-benchmark

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