Jagger, admitting he was still trying to understand the apparent suicide, said the 49-year-old fashion designer had ‘great presence’ and was ‘much admired’.
His comments come as the Rolling Stones announced the postponement of the rest of their tour of Australia and New Zealand. Seven shows have been put back, including one due tonight (March 19), in Perth.
Jagger, 70, who had been dating Scott since 2001, said in a statement: “I am still struggling to understand how my lover and best friend could end her life in this tragic way.
“We spent many wonderful years together and had made a great life for ourselves.
“She had great presence and her talent was much admired, not least by me.
“I have been touched by the tributes that people have paid to her, and also the personal messages of support that I have received.
“I will never forget her.”
Although Hollywood stars such as Nicole Kidman, Amy Adams and Penelope Cruz were pictured in Scott’s sleek, form-fitting creations on the red carpet, her company had mounting debts.
Accounts filed with Britain’s Companies House in October show that Scott’s LS Fashion Ltd ran a loss of 4.3 million euros in 2012, up from 3.0 million euros the year before.
Last month she cancelled her show at London Fashion Week, citing production problems.
A statement on www.rollingstones.com reads: “The Rolling Stones are deeply sorry and disappointed to announce the postponement of the rest of their 14 ON FIRE tour of Australia and New Zealand following the death of L’Wren Scott.
“Mick Jagger, Keith Richards, Charlie Watts and Ronnie Wood wish to thank all of their fans for their support at this difficult time and hope that they will fully understand the reason for this announcement.”