The weight of the ring of the diamond's anatomy and faceting patterns is the 2-carat diamond ring. A 2-carat diamond ring, in other words, weighs 0.40 grammes. The 2-carat diamond ring represents the overall weight of the ring, which takes up space on the ring's framework. Diamond ring weights are measured in carats, which saves time when determining the price. A 2-carat diamond ring costs between $2500 and $100,000. The price of a 2-carat diamond ring is determined by the 4cs diamonds and ring style. A 2 Carat Emerald Diamond Cut solitaire ring, for example, costs $1400 on the E colour and VS clarity scale. While the price of a 2-carat weighted round diamond solitaire ring with E colour and VS clarity is $2000. Thus, the price of a 2-carat diamond ring is determined by its quality and grade.