AuGain Gem Emerald cut Royal Blue loose stone Diamond Lab Grown Sapphire for jewelry setting

We are a gemstone factory, offering both machine-cut and hand-cut options. Each gemstone undergoes strict grading and quality inspection to ensure that every piece is a premium product. If you are looking for a gemstone supplier, AuGain Gem can continuously provide you with high-quality, cost-effective loose gemstones in bulk, helping your jewelry business rise rapidly.