Star Ruby, 12.782 carats

Technical details: Type: Star Ruby Weight: 12.782 carats Dimensions (mm): 14.03x10.32x7.76 Shape: Cabochon Color: Red Clarity: Eye-clean Transparency: Transparent Hardness: 9.0 Treatment: Glass Filled Origin: Africa Certification: Certificate from Saudi Laboratory (MT) - Website (www.mtgl.com.sa) The Star Ruby is a rare type of ruby that shows a unique visual phenomenon known as "asterism" or "star effect." This phenomenon appears as a bright six-ray star that moves and appears on the surface of the polished cabochon-shaped stone when light falls on it. This effect is attributed to fine needle-like inclusions of rutile arranged intersectingly inside the ruby crystal. The star ruby features the usual red color of ruby with this bright star.