Prince Harry, 33, and Meghan Markle, 36, have been together for over a year, and may have attended Serena Williams wedding together recently.
The prince has been linked to numerous women including singer Ellie Goulding and actress Cressida Bonas.
According to reports there is one sign that Harry is serious about his new girlfriend, and it all is down to one special gift he is planning to give his actress girlfriend.
Harry is said to be about to give Meghan Marke a watch that belonged to his mother, Princess Diana.
The Prince is following a royal tradition handed down through the generations.
Royal men love to give gifts of jewellery to the women in their lives – but second hand gifts that belonged to family members are the most treasured.
Prince Philip created Queen Elizabeth II’s engagement ring from diamonds that were set in a crown belonging to his mother, Princess Alice of Battenberg.
Prince William proposed to Kate Middleton with the engagement ring that his father gave to Princess Diana.
Prince Harry is said to be following this royal tradition by giving Meghan a Cartier watch that belonged to his mother.
The piece in question is a 18 carat yellow gold Cartier Tank Francaise watch, which was a gift from Princess Diana’s father Edward Spencer to her.
This is the surest sign so far that Prince Harry intends to make Meghan a member of the family. His older brother Prince William gave his wife Kate Middleton a Cartier watch on their three-year wedding anniversary.
Will Prince Harry give Meghan an engagement ring from his mother’s jewels? Some experts were claiming this could well be the case.
It was thought the prince might make the ring out of his mother’s emeralds, however one expert revealed why this would not be the case.
However, one designer David Law believes that Prince Harry will opt for a perfect combination of royal jewellery traditions and American tastes.
He predicts a large clear diamond – instead of the traditional coloured stone the royal family prefer, to suit the tastes in the LA-born actress’ home country.
A famous British fashion designer Julien Macdonald has revealed how he would design Meghan Markle’s dress.