As a language expert with a focus on providing accurate and helpful information, I can help you with your question regarding the cost of the world's most expensive chocolate bar.

The price of the world's most expensive chocolate bar can vary depending on several factors such as the brand, the ingredients used, the exclusivity of the product, and any additional features that might be associated with it, such as being handcrafted or having a limited edition status. For instance, some luxury chocolate bars made with rare or high-quality cacao beans, edible gold, or other exotic ingredients can be quite costly.

However, it's important to note that the title of the world's most expensive chocolate bar is not static and can change as new products are introduced or as prices fluctuate. As of my last update, one of the most expensive chocolate bars was the "Golden Rhino" by the Swiss luxury chocolate maker, Prestat. This bar is made with rare cocoa beans and is reportedly priced at around £670 (approximately $850 USD) for a 100-gram bar.

Please remember that this information might have changed, and it's always a good idea to check the latest sources for the most current prices.

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But putting pageantry and auction prices aside, at $260 for a roughly 1.5-ounce bar, new brand To'ak may be the most expensive pure chocolate in the world.read more >>