As the world's largest manufacturer of lab-grown diamonds, Redleaf Jewelry is revolutionizing the synthetic diamond industry. We specialize in producing high-quality, environmentally friendly synthetic diamonds for B2B clients around the world. Each of our collection or custom engagement rings can feature a lab-grown diamond, allowing your design to be a small part of a better future for our planet. Our synthetic diamonds are ideal for retailers, jewelry manufacturers, and distributors for their unmatched brilliance, sustainability, and cost-effectiveness.

Redleaf Jewelry offers lab-grown diamonds in a variety of shapes, including round, heart, oval, marquise, emerald, cushion, asscher, radiant, baguette, and pear. Our diamond sizes range from -2 carats (star diamonds) to 50 carats to suit a variety of preferences and jewelry designs.