How did the culture of engagement ring started?

Did you know that who got her first engagement ring?????

1- Princess Mary : was given the smallest engagement rings while an infant 2 years old.

2- Jackquiline Bouvier: 1953: She was proposed by John F. Kennedy with a two carat diamond ring.

3- Grace Kelly: Became enegaged to Prince Rainer of Monaco in 1955 with a twelve carat Emerald cut engagement ring.

4- Priscilla Preseley: Elvis Preseley proposed her with a 3.5 carat diamond engagement ring.

5- Elizabeth Taylor:- Richard Burton gave Elizabeth a 33.19 carat Asscher cut stone in 1968. 

 For more info:http://www.trendhunter.com/trends/the-history-of-engagement-rings