The most expensive jewels at the 2018 Oscars

<p>Our favourite stars shined bright like diamonds on last night's Oscars red carpet! From Chopard and Tiffany & Co to Harry Winston, the likes of Gal Gadot and Helen Mirren made big statements with their pricey jewels. Click through our gallery of celebrities for some major diamond envy...</p>
<p>We loved Nicole Kidman's flashy earrings, which she paired with her show-stopping royal-blue gown. With more than 84 carats worth of diamonds between her pieces, we're not surprised she wore her hair sleek and tucked behind her ears to show off that frosting! Keeping her décolletage bare, the actress lined her arms and fingers with the designer's Secret Cluster diamond and platinum bracelet, Tulip Diamond Bracelet, Round Brilliant Diamond Cluster ring and an Oval-Shaped Diamond Rock band.</p> <p>Photo: &copy; Getty Images
<p>If Salma Hayek's stunning Gucci gown wasn't bright enough, she decked herself out in some amazing jewels, too! The actress wore more than $4.2 million in Harry Winston diamonds, from her oval ring to her platinum earrings.</p> <p>Photo: &copy; Getty Images
Jennifer Garner nailed the fashion game at the Oscars! With her relaxed waves and gorgeous bright-blue gown, we're certainly giving her stylist an A+. The actress went with Piaget to amp up her look, her jaw-dropping diamond-and-blue sapphire earrings ringing it at more than $600,000! <p>Photo: &copy; Getty Images
Oscar nominee Greta Gerwig stunned in a vintage Tiffany & Co. moonstone necklace, which was designed by Louis Comfort in 1910. Of the jewelry choice, Greta's stylist Cristina Ehrlich commented, "The necklace we chose was a perfect mix of delicate and statement. The moonstones, which are known to be good luck, are matched beautifully against the beading in her dress." <p>Photo: &copy; Getty Images
<i>Get Out</i> star Allison Williams rocked perfectly coiffed Hollywood waves to show off some of her dazzling jewels. She donned more than 26 carats of Harry Winston diamonds, courtesy of their river diamond earrings and cluster bracelet. <p>Photo: &copy; Getty Images
Another fabulous talent who represented Harry Winston was the stunning Helen Mirren. Donning more than $3.8 million in sapphire and diamonds, the actress shined bright in a cushion-cut sapphire and diamond necklace set in platinum. The icing on the cake of a look that's surely fit for a queen was a pair of gorgeous diamond rings. <p>Photo: &copy; Getty Images
Gal Gadot of <i>Wonder Woman</i> fame gave us major diamond envy on the red carpet. Being the first to wear Tiffany & Co.'s new 2018 Blue Book Collection, the Israeli star wore their 27-carat aquamarine drop with more than 1000 diamonds total! She also wore the matching diamond ring. Prices are not yet available for these brand new items but we can only imagine... <p>Photo: &copy; Getty Images
Zoey Deutch was another talent showing Tiffany's & Co. major love last night! The actress wore a pair of earrings from the brand's 2018 Extraordinary Colors of Tiffany Collection, pairing them with a morganite ring and two diamond bands. Her total look rang in at over $40,000. <p>Photo: &copy; Getty Images, Tiffany & Co.
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