This specific stone is an oval-cut, violet-blue Tanzanite originating from the Merelani Hills of Tanzania. It is often listed by high-end gemstone suppliers to showcase the stone's "D Block" quality—a premium grade known for intense saturation and vivid color. Natural Tanzanite Weight: 3.40 Carats Certification: IGI (International Gemological Institute) Cut: Oval Color Grade: Violet-Blue (D Block)
You can find the video and product details via the listing for CenturyGems on Etsy . Visual Reference
The video file typically serves to show the stone's pleochroism (the way it changes color when viewed from different angles) and its internal clarity under professional lighting.
