The British Royal Family's Stunning Gems and Jewelry Collection

3. Japanese Pearl Choker with Four Rows

Done by: Diana, Princess Since 1970, the owner Value Estimate: Not Known Garland created this unique pearl choker for the Queen, purportedly during a visit from Her Majesty the Queen in 1970, using pearls that were purchased from Japan. Its clasp is supposed to be seen, adding to its exquisite and classic style.

Princess Diana @nicj1279 / Pinterest | ©Tim Graham / Gettyimages.com Four-Row Japanese Pearl Choker The necklace, which features four tasteful rows of pearls and a distinctive diamond-shaped clasp, has been worn by the Queen on a few occasions. The Queen most famously lent it to Princess Diana during a Hampton Court Palace luncheon in 1982.

4. Saudi Arabia's King Khalid Necklace

Princess Diana and Queen Elizabeth II wore Since 1979, the owner Value Approximation: $1.6 Million From 1975 until 1982, King Khalid was the absolute monarch of Saudi Arabia. The Queen received this necklace as a gift when she traveled to Saudi Arabia in 1979. Harry Winston created the necklace, which is composed of 20 brilliant pear-shaped diamonds set in platinum.

King Khalid of Saudi Arabia ©Tim Graham/GGettyimages.com Necklace, Queen Elizabeth II The Queen still wears it now, having donned it numerous times over the years. Princess Diana also borrowed it, and while she was expecting Prince William, she wore it to an event at the Barbican in London.