Diamond yellow gold filled wire is 16 gauge AWG, which is 1.29mm. Inside diameter is mandrel size, not actual ring size. These rings are sold individually.

Diamond rose gold filled wire is 16 gauge AWG, which is 1.29mm. Inside diameter is mandrel size, not actual ring size. These rings are sold individually.

Diamond sterling wire is 14 gauge AWG, which is 1.62mm. Inside diameter is mandrel size, not actual ring size. These rings are sold individually.

Diamond Argentium wire is 14 gauge AWG, which is 1.62mm. Inside diameter is mandrel size, not actual ring size. These rings are sold individually.