One of the two principal loose diamond trade routes passed through Venice. It enjoyed a monopoly of the loose diamonds trade on its way to the main towns of southern Germany up to its final destination in Bruges.
Since larger diamond engagement ring are more rare, the price of carats per gram rises dramatically at an exponential rate. A one carat diamond is worth more than several loose diamonds that measure a carat in total weight.
Not only can you dig for diamond studs you can keep, kayaking, fishing, hiking, and a museum full of great finds.