1 pcs 紫罗兰色, 蓝色 坦桑石 - 4.18 ct - 国际有色宝石协会（ICA GemLab）

From Mine to Market — Fine Quality Certified Gemstones I am a gemstone professional dedicated to sourcing exceptional stones directly from mining regions and delivering them to collectors, investors, and jewelry houses worldwide. My focus is simple: authenticity, transparency, and uncompromising quality. Working closely with trusted miners and local partners, I personally select gemstones at the source. By operating from mine to market, I reduce unnecessary middle layers while maintaining strict quality standards. Each stone is carefully evaluated for color, clarity, cut potential, and overall rarity before being offered for sale. Many of my gemstones are certified by internationally recognized laboratories such as GRS, GIA, and other respected institutions to ensure confidence and peace of mind for buyers. My specialization includes rare and high-quality stones, including fine cuprian tourmalines (Paraíba-type), emeralds, sapphires, and other collectible gems. Every piece is selected with the standards of serious collectors in mind. I believe gemstones should not only be beautiful but also responsibly sourced and honestly represented. Clear descriptions, accurate photography, and professional communication are core principles of my business. Whether you are a collector, investor, or jewelry designer, I aim to provide stones that combine beauty, rarity, and long-term value. Thank you for visiting my profile. I look forward to supplying you with exceptional gemstones