1: Engagement rings in the USA have a rich history dating back to the 19th century.

2: In the 1920s, diamond engagement rings became popular thanks to a successful marketing campaign by De Beers.

3: During World War II, platinum was restricted, leading to the rise of white gold and yellow gold rings.

4: The tradition of proposing on one knee and presenting a diamond ring became mainstream in the 1940s.

5: The average cost of an engagement ring in the USA has steadily increased over the years.

6: In the 1980s, the princess cut diamond became a popular choice for engagement rings.

7: Today, more couples are opting for unique and personalized engagement ring designs.

8: Ethical sourcing and lab-grown diamonds are becoming increasingly popular in the engagement ring market.

9: The history of engagement rings in the USA is a fascinating journey of tradition, marketing, and evolving trends.