From Tiaras to Brooches, Marvel at the British Royal Family's Gem Extravaganza

5. Diamond Engagement Ring for Shaun Leane

Donn by: Beatrice the Princess As of 2019: Value Estimate: $100,000* Princess Beatrice asked premium jewelry designer Shaun Leane to create her diamond engagement ring. Before the two became engaged in 2019, Shaun Leane collaborated with Princess Beatrice's fiancé, Edoardo Mapelli Mozzi.

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Princess Beatrice's Diamond Engagement Ring by Shaun Leane, Daily Mail/PPinterest According to Insider.com, the 3.5-carat engagement ring was valued at around $100,000. The enormous diamond is purportedly of "medium quality," and the piece is fashioned in the Royal Family's favorite Art Deco style. With tapering baguettes on each side, it is centered. There are two smaller, round-cut 0.75-carat diamonds in addition to the biggest diamond.

6. Emerald-cut diamond engagement ring by Platinum Cartier

Grace Kelly, Princess of Monaco, was the wearer. Been in possession since 1955 Value Approximation: $39.46 million* The Princess of Monaco Grace Kelly was well-known for leading an opulent lifestyle. Her ring of engagement was no different. The total weight of the ring was 10.48 carats. Prince Rainier of Monaco, her billionaire fiancé, gave Cartier $4.06 million to design the ring. That is almost forty million dollars in today's currency.

Grace Kelly's Engagement Ring on Pinterest, via Alex Smith 56 Many other engagement rings—though none at such an exorbitant cost—have been influenced by the Cartier ring. The ten-carat emerald-cut diamond in the middle of the ring was encircled by taper on both sides. A duplicate of the engagement ring is kept in the Princess Grace Room in Monte-Carlo, while the original is currently housed in the Grimaldi House.