Lab grown diamonds 4 carat are engineered for discerning global wholesale distributors and dealers who specialize in high-end impressive jewelries while maintaining a healthy profit margins. 4ct is a sough-after for premium engagement rings, earrings, pendants and high-end tennis bracelets, especially for sturdy and classic settings. 4 carat lab grown diamonds direct from manufacturer also extend custom cut services to independent designers who strive to make fashion statement through irregular design and distinctive setting craftsmanship. Custom lab grown diamonds guarantee consistent color, size, clarity and sparkle to the greatest extent. Help your business stand out in the luxury market while maintaining reliable supply and cost-effective wholesale terms.