Welcome to Cooper & Binkley Diamond Jewelers - Since 1949

Colored Gemstones

Cooper & Binkley Jewelers is proud to offer beautiful, ethically sourced gemstones. We feature Roger Dery Gemstones who, with decades of experience, is a world-renowned gem cutter. He is an award winning precision flat faceter who draws on a comprehensive knowledge of traditional gem cutting techniques, modern optics, and the inherent physical properties of each gem to create true works of art.

To view our full collection or for more information please call us at (810) 227-2221 or stop by the showroom.

Holistic Sourcing

Discovery to Destination

Roger has a unique approach to sourcing gems. Rather than relying on what the marketplace offers, Roger has made dozens of trips throughout Africa, South America, and Asia, traveling directly to the mines where rough gemstones are found. His focus is dedicated to East Africa, working with miners to secure beautiful colored gems and holistically impact their communities. When Roger chooses to work with a mining area, he is making a long-term commitment to invest in the miners, their families, and their futures. He seeks to meet them where they are, often providing for basic needs: food, water, and cooking oil.

New Hope for Colorful Futures

Roger is committed to using the power of gemstones to change lives and impact the world, starting with the men and women who unearth them. By working directly with miners, more gemstone profit remains in local communities, allowing families to invest in education, both elementary and vocational, to transform their futures. Roger has a special place in his heart for gemological and faceting education, supporting many schools and scholarships. Roger’s devotion to a holistic approach is charged by the belief that gems serve a greater purpose and must be wisely stewarded.

Gemstone Gallery