4. Earrings and Necklace in Tanzanite
Wearer: Kate Middleton
Been in possession since the 2010s
Value Approximation: $22,000*
A few years ago, Kate worked with royal jewelers G. Collins and Sons to design this gorgeous pair of tanzanite earrings and necklace, which was valued at over $22,000. Numerous admirers pointed out that the form and general style resemble certain emerald jewelry that Princess Diana had previously worn.

Tanzanite Earrings and Necklace Kate Middleton | @Kate’s Closet | Pinterest | Twitter.com | @KENSINGTONROYAL
Tanzanite is quite similar to sapphire to the inexperienced eye. Since marrying Will in 2011, Kate has worn the glittering set many times, notably during her visit to the Royal College of Obstetricians and Gynecologists in 2018. It always gets people’s attention.
