1. Top shape: the top of shovel drill is smooth arc, while the top of crown drill is pointed cone. This difference makes the spade drill more focused when reflecting light, making the diamond look brighter, while the crown diamond can better show the three-dimensional sense of the diamond.
2. Scope of application: The shovel drill is an improved bit, and the semicircular curves designed at both ends make it more widely used. Crown diamond is a special semi-circular diamond, which is mainly used for high-grade jewelry or jewelry collection.
3. Cost and price: Shovel drills usually cost less because they are cut from thick diamonds. In contrast, the cutting method of crown diamond requires more manual skills, so the cost is relatively high and the price is higher.
4. Aesthetic features: the top of the shovel drill is wide and flat, which looks more rounded and soft, and is suitable for bringing people a comfortable and natural feeling, so it is loved by some young people. The top of the crown diamond is angular, three-dimensional and looks more noble and elegant, which is more suitable for formal occasions or people who need to show their identity.
To sum up, there are differences between shovel drill and crown drill in top shape, scope of application, cost and price, aesthetic characteristics and so on. The specific choice of diamonds depends on personal preference, budget and use.