Keren Craig, the close friend of the fashion designer and co-owner of the label Marchesa, said Chapman does not see "herself as a victim".
Chapman, 41, recently separated from Weinstein after he was accused of sexually harassing multiple women.
"Georgina doesn't see herself as a victim. That's very important. She's just trying to get on with her life. You've got to realise George is such a strong woman. Don't get me wrong, it's a very hard time, but she's quite inspirational," Craig told Grazia magazine.
"We want to support them. We want to make a gesture. We need to properly process how it can be the most beneficial," Craig said.
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Craig said she never had a suspicion that Weinstein allegedly coerced female actors to opt for their brand while making red carpet appearances.
Actors Felicity Huffman and Jessica Chastain had earlier claimed they were pressured by Weinstein to wear his wife's label to red carpet events.
"That was very difficult to read and shocking. It was the first I'd heard about it. I remember the dress and I remember working with Felicity, she was absolutely lovely. So I was shocked... and very sad," Craig said.
Last month, Weinstein and Chapman had reportedly agreed on a divorce settlement. The couple have two kids -- seven-year-old daughter India and four-year-old son Dashiell.