1) The main trends in engagement rings are unique designs featuring metals like palladium and colored gemstones instead of just diamonds. Halo and antique styles are also popular.
2) There are many options for wedding bands, but most brides prefer ones that sit flush with the engagement ring. However, wearing rings on different fingers is also common.
3) The article provides details on popular diamond shapes for engagement rings like round, princess, cushion, and emerald cuts, noting what each shape says about the bride's personality. It also discusses other gemstone and metal options and tips for budgeting and ring selection.