The MOEX Diamonds Index is a financial indicator calculated based on diamond prices in US dollars and serves as a benchmark for assessing market trends in the diamond segment with a focus on Russia as a trading region. In March 2026, values ranged from 561.61 USD to 566.47 USD with an average level of 564.13 USD. The index is based on diamonds weighing from 0.30 to 1.99 carats, colors from D to O, quality from IF to I3, round and fancy cuts. Source: Moscow Exchange https://www.moex.com/en/indices.