Description: Item Name: Bracelet Color: Blue Star Sapphire Size: You can provide me with the inner diameter of the bracelet you need Clarity: AAAA+ Hardness: 9.0 Density: 3.98 Refractive index: 1.76 Dispersion: 0.011 Melting point: 1700°C—3100°C Send exquisite jewelry boxes Note: 1. Starlight rays move with the Angle of illumination and are not fixed. 2. Clear starlight can be seen under flashlight or direct light. |