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Jerkmate
https://www.gia.edu/quality-assurance-benchmark/platinum-cobalt-oxidation-removal
Platinum Cobalt Oxidation Removal
Learn how to remove oxidation from an assembled ring made from platinum cobalt components with these helpful illustrations and instructional video.
platinum cobaltoxidationremoval
https://www.gia.edu/quality-assurance-benchmark/assembly-of-a-platinum-cobalt-pear-shaped-setting-to-a-14k-yellow-gold-mounting
Assembly of a Platinum Cobalt Pear-Shaped Setting to a 14K Yellow Gold Mounting
Learn how to evaluate the quality of a platinum cobalt pear-shaped setting installed onto a 14K yellow gold mounting with these helpful illustrations and...
14k yellow goldplatinum cobaltpear shapedassemblysetting
https://www.gia.edu/quality-assurance-benchmark/sizing-down-platinum-cobalt-rings-with-diamonds-in-the-shank-using-a-laser-welder
Sizing Down: Platinum Cobalt Rings with Diamonds in the Shank Using a Laser Welder
Learn how to evaluate the quality of a platinum cobalt ring with diamonds in the shank that was sized down using a laser welder with these helpful...
platinum cobaltlaser weldersizingringsdiamonds
https://www.gia.edu/quality-assurance-benchmark/sizing-down-platinum-cobalt-ring-shank-using-torch
Sizing Down: Platinum Cobalt with no Diamonds in the Shank Using a Torch
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.
platinum cobaltsizingdiamondsshankusing