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While fine wines may not be to everyone's taste, one expert told CNBC that it's still an industry worth investing in – and you don't have to be super-rich to do so.

Tom Gearing, director of wine investment company Cult Wines, told CNBC Wednesday that there were still opportunities in the market, and now was a "great time" for buyers to get in on some "undervalued stocks."

His comments come as Sotheby's auction house appealed to fine wine fans with expensive taste buds Wednesday. It sold over £600,000 ($901,131) worth of wine Wednesday – including six bottles of Chateau Petrus 1982 for a whopping £19,975 ($30,000).

It comes after the auction house sold 114 bottles of Romanee-Conti for around $1.6 million in Hong Kong in 2014. While a Christie's auction in 2010 saw a private collector splash a record-breaking $304,375 on an imperial-size bottle of Chateau Cheval Blanc.

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But should aficionados paying top dollar for an aromatic taste, or will the "cheap stuff" do?

"You can pick up some extremely good quality second-growth Bordeaux wines, from good vintages that have got high scores from critics, from as little as £50 ($75) to £60 per bottle," Gearing said, adding that Bordeaux prices have fallen by between 25 and 30 percent over the last three years.

Burgundy wines had also grabbed attention of investors, he said, having performed well in both markets and during auctions over recent years.

"If you look at the broader spectrum of fine wine, there's still some good bargains to be had," Gearing added. "And with prices having fallen, it's a good opportunity to get back out there."

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Which vintage?

When it comes to Bordeaux, Gearing recommended the 2007 vintage, because of the favourable weather conditions that year. He also said that although the 2001 vintage was "underrated," it was "drinking absolutely beautifully."

But not everyone's getting it right, with many restaurants serving 2009 to 2012 vintages that are "far too young to be drunk," according to Gearing, who said it would be preferable to see "more mature vintages" on wine lists.

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