amfAR Gala: Jessica Chastain Wears Piaget Lariat Backwards Necklace

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This year’s amfAR Gala presented a bevy of looks and their accompanying jewels for us to drool over. One particular bauble stood out from the sea of sparkles at the Cannes Film Festival event: Jessica Chastain’s backward necklace.

The actress wore a long, black Prada gown that featured a low back style. The dress itself was lovely, but the true star of this look was obviously her Piaget necklace. With a sophisticated mix of pearls, diamonds, gold and ruby, the statement piece was surely one of the most glamorous baubles at the event.

Jessica wasted no time making sure the photographers got pictures of her jewelry in all the right angles. The long necklace was definitely the perfect addition to her backless dress.

Jessica Chastain wore a long, black Prada gown that featured a low back styleJessica Chastain at the 24th annual amfAR fundraiser during the Cannes Film Festival at the Hotel Eden Roc in France, on May 25, 2017.

The reverse necklace featured a pearl tassel accentuated with a large ruby stoneThe reverse necklace featured a pearl tassel accentuated with a large ruby stone.

With a sophisticated updo, the necklace also showed off the actress' sexy neck and backWith a sophisticated updo, the necklace also showed off the actress’ sexy neck and back.

Jessica Chastain at the 24th annual amfAR fundraiser during the Cannes Film Festival at the Hotel Eden Roc in France

Love this piece? Here are some lariat necklaces that can also be worn backward and paired with your backless dresses.

Gorjana Baja lariat necklaceGorjana “Baja” lariat necklace, $65 at Shopbop

Elizabeth Cole Varro statement pendant necklaceElizabeth Cole Varro statement pendant necklace, $174 (before: $348) at Shopbop

Vanessa Mooney The Dixie necklaceVanessa Mooney “The Dixie” necklace, $52.50 (before: $75) at Shopbop

Credit: John Rainford/WENN