There are many different ways of wearing these rings. You could have a ring on either side of an engagement ring, or you could wear them back to back two different ways. Of course there is nothing stopping you from wearing just one as well. Made of 14 kt yellow gold, each ring has a solid side and the opposite side is wavy, with the waves fitting together like a puzzle ring. 21 round brilliant cut diamonds are two prong set on each ring. Total diamond weight is 0.52 carats. These rings are eternity bands where the diamonds extend 360 degrees and therefore cannot be sized. Size 6.75