Assuming you are not in the market for just about any amethyst and diamond white gold ring, you may want to pick from the following trends, which are guaranteed to be at the fore in 2019.       Colored Gems Diamonds have never been the only worthy gem option you could pick. Steer a bit to the side and consider getting a colored stone instead. Lots of engagement rings have colored gems studded on them, and there is wide enough variety there to make sure your piece is unique. Pear Cut Diamonds The round and cushion shapes have always garnered great demand in the jewelry market, but there are other beautiful shapes which might suit you even more beautiful. The pear shape is making one of its best resurgences in years, so you may want to buy something cut in this shape.