Fear & demand is driving Gold spreads to levels unseen in recent history. This is not the case with Trading 212 exclusively, feel free to double-check with other sources & brokers.
https://finance.yahoo.com/news/gold-faces-historic-squeeze-virus-172242743.html
These stories explain why there’s a huge difference in Gold price. With Trading 212 you’re looking at Gold Cash/Spot, on Investing it’s a futures contract.