Can a ring be sized if it is platinum over sterling silver or 14k gold over sterling silver?

Can a ring be sized up by at least 3 sizes (ex. a 6 to 9) if it is platinum over sterling silver or 14k yellow or white gold over sterling silver? or:

Can a ring be sized up by at least 3 sizes (ex. a 6 to 9) if it is platinum over sterling silver or 14k yellow or white gold over sterling silver?

or:Can a ring be sized up by at least 3 sizes (ex. a 6 to 9) if it is platinum over sterling silver or 14k yellow or white gold over sterling silver?

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