Quality Assurance Benchmarks highlight workmanship of semi-finished and finished jewelry. Learn how to evaluate the quality of a platinum ruthenium ring with diamonds in the shank that was sized down using a torch.

Illustration of platinum solitaire, featuring a round brilliant center stone set with six prongs and round brilliant channel-set stones down each side of the shank
Illustration of platinum solitaire, featuring a round brilliant center stone set with six prongs and round brilliant channel-set stones down each side of the shank
Illustration of underside of platinum solitaire, featuring a round brilliant center stone set with six prongs and round brilliant channel-set stones down each side of the shank

Potential Problems and Engineering Features

Problems can occur during normal wear if quality benchmarks are not followed.

Illustration depicting one wide band and one tapered band
Close-up Illustration of two poorly joined shanks
Illustration of a ring on a ring mandrel. An arrow is pointing to the 6:00 location on the ring, where the ring size would be read.
Illustration of three rings of varying thickness on a ring mandrel
Illustration depicting a platinum solitaire being lightly buffed
Illustration of a platinum solitaire with diamonds set in the shank
Learn how to evaluate the quality of a platinum ruthenium ring with diamonds in the shank that was sized down using a torch with these helpful illustrations and instructional video
Illustration of a platinum ring showing a cold solder joint in the middle of the band

How-to Video

Sizing Down a Platinum Ruthenium Ring with Diamonds using a Torch

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Featured Quality Assurance Benchmarks

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