Quality Assurance Benchmarks highlight workmanship of semi-finished and finished jewelry. Learn how to evaluate the quality of a platinum ruthenium ring with no diamonds in the shank that was sized up 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. Side view of a platinum solitaire with no diamonds set in the shank
Perspective view of a platinum 4-prong solitaire with no diamonds set in the shank

Potential Problems and Engineering Features

Matching the Sizing Stock Alloy to the Ring Alloy

How-to Video

Safety Reminder

Be sure to wear eye protection

Featured Quality Assurance Benchmarks

Back To Top