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

Diamond Type：Synthetic (lab grown) White Diamond Color：D、E、F Diamond Shape：Heart Cut Certificate Type：IGI Place of Origin Guangxi, China

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.

Redleaf 14K gold cushion cut engagement ring features a 4CT E color VVS2 lab-grown diamond with IGI certificate. Classic cushion cut, excellent brilliance and purity. Customizable for wedding and engagement, combining luxury, quality and timeless elegance.

Redleaf engagement and wedding ring features premium 4*4mm cushion cut CVD & HPHT lab grown diamonds, complete with official IGI certification for authentic quality assurance. Available in 9K/10K/14K/18K solid gold options, the classic cushion cut showcases soft facets and extraordinary light brilliance. Exquisite craftsmanship with a timeless minimalist design, blending elegance and durability perfectly. Ideal for engagement proposals, wedding ceremonies and high-end custom jewelry collection.

This elegant engagement ring from Redleaf features a delicate 2*3mm emerald cut lab-grown diamond, available in HPHT or CVD. Crafted in solid 10K, 14K, 18K gold or PT950 platinum, it combines timeless step-cut clarity with durable, ethical luxury. Customizable for weddings and daily wear, perfect for modern, sophisticated brides.