Lab-Grown Star Sapphire 8 x 6mm Oval Cabochon

This lab-grown star sapphire cabochon is made with corundum and offers an intense blue color. Each stone has a chemical make-up identical to those found in nature. It performs at the bench just as a natural stone would. Unlike natural sapphires, however, this stone is heat-resistant and can be successfully cast in place. For a variety of designs, this stone is a popular, affordable and reliable choice in place of natural sapphire. Sapphire is the birthstone for September.

• Gemstone Type: Sapphire
• Stone Shape: Oval
• Stone Size: 8 x 6mm
• Stone Type: Lab grown
• Color: Blue
• Birthstone: September
• Enhancement: Synthetic (SYN)
• Mohs Hardness: 9
• Refractive Index: 1.76–1.77
• Specific Gravity: 3.99–4
• Weight: 0.000 kg