Silestone, quartz surfaces for kitchen and bath Cosentino is a global leader in the production and distribution of natural stone, quartz, and architectural surfaces. With a rich, 25-year history Silestone is the most well known Cosentino brand. In 1990, Cosentino created Silestone, a product that highlights the beauty of natural stone and provides enhanced characteristics to increase the longevity and durability of its use. Innovative and functional, Silestone is the leader in quartz surfaces and is exported to over 80 countries. Thanks to the extensive network of Cosentino, the brand has become the sales leader in kitchen and bath countertops, creating a strong brand with an undeniable global reputation. Throughout its history, Silestone has expanded beyond home design to include commercial applications.