Elongated rings will be popular in 2025.Anna P. JayEngagement ring trends evolve year after year.Private jeweler Anna P. Jay said elongated stones and thicker bands will be popular in 2025.Colorful stones and personalized details are on the rise, too.The holiday season is in full swing, which means engagement season is, too.And as the first proposals of the year roll in, we'll get a peek at the engagement rings that will be big in the coming months.Business Insider spoke to private jeweler and jewelry store owner Anna P.