Trudeau was speaking just hours after Saudi Arabia Foreign Minister Adel al-Jubeir told reporters in Riyadh that it's up to Canada to step up and fix its "big mistake".
The Saudi government severed diplomatic ties with Canada, expelled its ambassador, cut off bilateral trade and investments and halted all flights to and from the country. His case long has been raised by worldwide human rights groups and Western diplomats, including Canadians, who have called on Saudi Arabia to free him. It is a country that has great significance in the world, that is making progress in the area of human rights. It also ended state-backed educational and medical programs in a dispute that was sparked by Canada demanding the release of jailed rights activists.
More than £77.6 billion (US$100 billion) of Saudi funds have been invested in the worldwide market, though executives say the proportion invested in Canadian holdings would be "fairly small in absolute terms".
"There is nothing to mediate".
The kingdom was angry at Ottawa for openly denouncing a crackdown on rights activists in Saudi Arabia.
He said: "Canada made a mistake and they know what they need to do to correct it". Among the arrested activists is Samar Badawi, whose writer brother Raif Badawi was arrested in Saudi Arabia in 2012 and later sentenced to 1,000 lashes and 10 years in prison for insulting Islam while blogging.
Experts have said the Saudi move illustrates how the oil-rich kingdom is increasingly seeking to use its economic and diplomatic muscle to quell foreign criticism under its young de facto leader, Crown Prince Mohammed bin Salman.
Since rising to power in 2015, Prince Salman has blockaded Saudi Arabia's neighbour Qatar, led a military intervention in Yemen and increased tensions with Iran.
Saudi Arabia's actions mirror its regional blockade imposed on Qatar previous year, where Saudi and its regional allies took monetary action against the Gulf state, insisting they remove Qatari investments from their portfolios. The Saudi state airline also announced it was suspending operations in Canada.
Saudi Arabia's diplomatic dispute with Canada over its arrest of women's rights activists will not affect the kingdom's oil sales to Canadian customers, the Saudi energy minister said Thursday.
According to Reuters, Saudi Arabia's main state wheat-buying agency told grains exporters it will no longer accept Canadian-origin grains in global tenders.
"Saudi Arabia does not interfere in the affairs of Canada in any way". Bilateral trade between the two nations exceeded $4bn past year, with Canadian exports to Saudi Arabia totalling $1.2bn in 2017.
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