The most commonly used materials for diamond rings are yellow gold, white gold, and platinum. The karat weight of gold determines the cost of the yellow gold and white gold rings. The more the karat, the more will be the price.
It is obvious that adding more stones to yellow diamonds rings might lead to additional expense. Halo or pave set round brilliant diamonds or other gemstones in the ring may increase the price. However, adding fancy light yellow diamonds can be less expensive than adding strong shades of yellow as side stones.
The design of the ring can either be custom-made or the semi-mounted options. If you choose a custom-made ring, it would be highly expensive because you may be looking for a unique design with 100% apt measurements. On the contrary, semi-mounted rings are regular designs that can save you a considerable amount of money, as it does not involve any custom designing costs.