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Some very romantic grooms-to-be have presented their leading ladies with some of the finest, and most unusual, pieces of jewelry anyone has ever seen – from classic pieces to custom shapes, colors and designs.
"Before the 1940s, diamonds were in fact not the traditional choice and engagement rings were used with precious stones," Holts Gems tells HELLO!. "Princess Diana and Kate Middleton brought back the colored engagement ring trend with their beautiful sapphire and diamond cluster ring, as did Grace Kelly with her lavish ruby and diamond ring."
As you contemplate the gorgeous gem you would want on your finger, take a look at these unique celebrity engagement rings.
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The world's most famous bridesmaid is now a bride-to-be! Hedge fund manager James Matthews popped the question to Kate Middleton's little sister, Pippa Middleton, in July 2015 with a dazzling Art Deco-inspired Asscher cut diamond, which reportedly cost about $263,000. Following her engagement news, the socialite admitted, “[I] couldn't be happier” — and who could blame her with that rock!
Photo: Getty Images/GC Images
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Beatrice Borromeo In the months leading up to her trip down the aisle with Pierre Casiraghi. The Italian beauty showed off her stunning ring. The unique pear-shaped diamond is surrounded by a halo of the gem and chunkier diamonds on the band.

Photo: Getty Images
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