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Since 1938 Chatham has stood for quality, reliability, and integrity. Our commitment to excellence ensures that each gemstone meets the highest standards of quality and craftsmanship before they reach your hands. That is why we stand behind our lab grown gemstones through our lifetime warranty.
For every purchase made, Chatham plants a tree on your behalf! Chatham is dedicated to replenishing the earth’s resources and mitigating the environmental impact of the jewelry industry. Your purchase with Chatham takes a significant step toward a greener planet. Trees are a source of oxygen, they provide habitats for wildlife, prevent soil erosion, and contribute to the overall health of our planet. Find the One Tree Planet logo on your Certificate of Authenticity.
BRILLIANTLY CREATED.™
NEVER MINED.®
Lab grown Chatham Diamond is one of the most coveted gemstones we grow. Made from a single element, carbon, diamond is also the hardest mineral on earth, earning its title of The Unconquerable from the Greek word Adamas. Admired for its brilliance and vibrant fire, diamond’s natural beauty is undeniable. Chatham grows colorless diamonds up to around 6 carats.
Learn MorePromoting growth ethically and consciously of our planet and neighbors.
Combining advanced technology with impeccable design to ensure the highest quality gemstones and jewelry.
Linking our distinct legacy of the past with the movements of the future.