From Tiaras to Brooches, Marvel at the British Royal Family's Gem Extravaganza
6. Emerald-cut diamond engagement ring by Platinum Cartier
Grace Kelly's Engagement Ring Worn By: Grace Kelly, Princess of Monaco
In Possession Since: 1955
Value Approximation: $39.46 million*
Description:
Grace Kelly, renowned for her luxurious lifestyle, wore an exquisite engagement ring that epitomized opulence. The ring features a total weight of 10.48 carats and was designed by Cartier, commissioned by her billionaire fiancé, Prince Rainier of Monaco, for $4.06 million at the time. Adjusted for inflation, this amounts to nearly $40 million today.
Conclusion This iconic engagement ring not only symbolizes Grace Kelly's fairy-tale romance but also stands as a testament to timeless elegance and luxury within royal jewelry collections.

Grace Kelly's Engagement Ring Photo Credit: Grace Kelly's Engagement Ring on Pinterest, via Alex Smith 56
Description:
Grace Kelly's iconic engagement ring has inspired many other rings, though few match its extravagant cost. The centerpiece is a stunning ten-carat emerald-cut diamond, flanked by tapered diamonds on either side. A replica of this exquisite engagement ring is displayed in the Princess Grace Room in Monte-Carlo, while the original resides in the Grimaldi House.
Conclusion This engagement ring not only showcases exceptional craftsmanship but also highlights Grace Kelly's enduring influence on royal jewelry, making it a significant piece of history.