They all have natural Black ÿìstones. All have a different price. They. Look better in person. The first picture has 1 3/4 it's natural diamonds. The kinda yellow one is a enhanced 8ct Champagne Diamond There's 2. Australia opal inlaid with (1) mystic & the other Australia.opal inlay one has a. amethyst .ùì⁹⁹⁸ôɓ