The FCRF data suppliers are 26 of the most influential fancy color diamond companies in the market.
Among these companies are manufacturers, traders and other specialists, each representing a different
segment of the fancy color niche. The data suppliers, in addition to being members of the FCRF, are
responsible for providing high quality pricing data every quarter in order to generate the Fancy Color
Diamond Index (FCDI). The interviews below provide insights on the quarterly index readings.