[s4e3] Fairytale -

: The Royal Family's reaction suggests her choice was slightly unconventional because it was not a one-of-a-kind antique.

Key details about this "proper piece" in the episode include: [S4E3] Fairytale

: Diana chooses the blue sapphire ring, which was actually a stock item for sale from the jeweler Garrard's rather than a unique royal heirloom. : The Royal Family's reaction suggests her choice

In The Crown Season 4, Episode 3, titled "," the "proper piece" refers to the iconic engagement ring Lady Diana Spencer selects from a tray of options presented by the royal jeweler. [S4E3] Fairytale