Children's and Teens' Rings: Surgical Steel, Gold IP Double Crossover Ring with CZ Size 7

For older girls, this ring in size 7, with up to the minute styling, is a crossover style.  One side is encrusted with cz for a tiny sparkle.  What is gold IP?  "Unlike regular gold plating, to begin with, a layer of titanium nitride is added to the base surface of steel. Additionally a final plating metal (gold in this instance) is added to the surface; the thickness of this layer is no more than 0.3 urn. ... Given its durability and chemical stability, ion plating is rightly called “permanent” coating."