According to a new survey by WatchShop, Monroe's sleek performance dress is worth more than 1,000 times its weight in gold—literally.
The dress was designed by Jean Louis, and Monroe had to be sewn into it. It was embellished with 2,500 crystals and was understandably shimmery and expensive even for the time.
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Last year, it was sold at Christie's in an auction for $4.8 million.
Based on this, the dress's weight (103 grams), and the price of gold, experts at WatchShop estimate that the memorable dress is actually worth more than 1,145 times its weight in gold.
In short—it's extremely expensive.