Redleaf Jewelry - Professional Lab Grown Diamond Jewelry Manufacturers & Lab Grown Diamond Factory

Redleaf IGI certified loose lab grown diamonds feature premium round brilliant cut, available in 0.9CT–2CT with both HPHT and CVD advanced growth technologies. Each diamond is professionally graded and verified by IGI, ensuring reliable clarity, color, cut and carat weight. With the same optical, physical and chemical properties as natural diamonds, they deliver exceptional fire, brilliance and durability, ideal for custom jewelry making, engagement designs, wholesale production and personalized creations. Ethical, sustainable and cost-effective, these certified lab diamonds bring reliable luxury to every jewelry project.

This luxury custom engagement & wedding ring from Redleaf features a 2 carat round brilliant lab-grown diamond graded D color & VS1 clarity, delivering exceptional fire, brilliance and purity identical to mined diamonds. Crafted in solid 14K gold for lasting luster and durability, the classic solitaire setting maximizes light performance while highlighting the stone’s flawless sparkle. Backed by an official IGI certification, it guarantees authentic quality, ethical sourcing and precise grading. Designed for lifelong commitment, this piece blends timeless elegance with modern luxury, perfect for engagements, weddings and milestone gifting.

Redleaf’s custom emerald‑cut engagement ring features a 5CT E VVS2 CVD lab‑grown diamond, fully IGI certified for guaranteed authenticity and premium quality. Crafted to order in your choice of 10K, 14K, or 18K solid gold, this ring blends timeless emerald‑cut elegance with modern ethical sourcing. The step facets deliver clean lines, exceptional clarity, and understated luxury, while the solid gold band ensures lasting durability and daily comfort. Ideal for engagements, weddings, and milestone moments, it’s a personalized symbol of love that combines high‑grade diamond performance, certified reliability, and bespoke craftsmanship for the modern bride.

Redleaf 2CT D VS1 oval cut CVD lab grown diamond engagement ring is certified with an official IGI report for reliable quality assurance. Featuring a stunning oval-shaped center stone with excellent brilliance and fire, this ring is available in your choice of 10K, 14K or 18K solid gold to match different preferences. Crafted with advanced CVD technology, the lab-grown diamond shares the same physical, optical and chemical properties as natural diamonds, while being ethical and eco-friendly. Designed as a timeless symbol of love and commitment, this elegant wedding ring combines luxurious sparkle, durable craftsmanship and modern sustainability—perfect for engagements, anniversaries and meaningful moments.

Redleaf Custom Oval Cut Lab Diamond Engagement & Wedding Ring is a symbol of eternal love, blending ethical luxury and bespoke craftsmanship. Centered with a 4CT oval cut lab diamond (D color, VS1 clarity), it delivers dazzling fire and brilliance comparable to top natural diamonds. Available in 10K/14K/18K solid gold, it’s hypoallergenic, durable and comfortable for daily wear. Each diamond comes with an official IGI report, certified for authenticity, and adopts CVD/HPHT technology for eco-friendly, conflict-free quality. Customizable in gold color and band design, it’s perfect for engagements, weddings, anniversaries or everyday luxury.

Elevate your romantic moment with Redleaf three-stone lab grown diamond engagement ring. Combining elegant oval cut and pear cut CVD & HPHT lab grown diamonds, this timeless three-stone design symbolizes past, present and future love. Available in premium 10K/14K/18K solid gold, with exquisite polished craftsmanship and brilliant light sparkle. Sophisticated yet classic silhouette, perfect for engagement proposals, wedding ceremonies and luxury jewelry gifting. Customizable to match your personal style forever.

Redleaf engagement and wedding ring features a classic three‑stone design with round cut and pear cut CVD/HPHT lab‑grown diamonds. Available in 10K, 14K, and 18K solid gold, it combines symbolic meaning, exceptional sparkle, and ethical craftsmanship. Each stone comes with an IGI certificate for authenticity and quality assurance, making it an ideal choice for proposals, weddings, and meaningful daily wear.

Redleaf custom 18K white gold ring features cushion cut yellow lab-grown diamond with VVS clarity and IGI certificate. Elegant, durable and eco-friendly, ideal for engagement, wedding and daily wear.