Lab diamond jewellery

0.3 ~ 10 ct. IGI / GIA Certified Loose Lab Grown Diamonds

As a professional direct-source lab grown diamond manufacturer, we supply full-range premium loose lab grown diamonds covering carat weight from 0.3ct up to 10ct to meet diversified jewelry production and customization demands. We offer abundant cutting styles, including round brilliant, cushion, radiant, asscher, princess, marquise and other mainstream fancy cuts, paired with complete color grades ranging from colorless DEF to near-colorless GH, as well as standardized clarity grades covering VVS, VS, SI categories. All of our loose lab diamonds adopt strict global 4C grading inspection standards, with accurate, official 4C parameter marking for every piece. Each qualified diamond is equipped with authoritative IGI and GIA official grading certificates, ensuring traceable quality, reliable authenticity and worldwide recognition. Backed by complete production chains and mature polishing technology, we own massive ready-made in-stock inventory for fast bulk shipment, strict multi-layer quality inspection to reject flawed stones and guarantee stable consistent stone quality. Cutting out middle dealers, we provide factory-direct wholesale prices with outstanding cost performance. Our diamonds fit for solitaire jewelry, halo inlay, melee matching, high-end custom jewelry and bridal jewelry projects, serving global jewelry wholesalers, processing factories and brand designers steadily.

What is included

• Lab-grown diamonds — chemically identical to mined stones, conflict-free.
• Made to order in 10K, 14K or 18K gold, sterling silver or platinum.
• Centre stone shape and carat weight chosen at order time.
• Certificate supplied with the centre stone.

Building an engagement ring instead? Start from a setting and pick a loose diamond, or read the buying guides.