Lab Created Yellow Sapphire# 20, Marquise

GEMSTONE DETAIL

• Origin: Grown in Lab by Verneuil / Flame Fusion method
• Dimensions: 4x2mm to 18x9mm
• Grade: AAA
• Clarity: Eye Clean
• Shape: Marquise
• Make: Very Good
• Symmetry: Very Good
• Color: Bright Medium tone Pure Yellow Color
• Cut: Very Good
• Polish: Very Good
• Stock Postion: Not all sizes are in stock at all times. You can email us to check for stock position before placing your order.

CHEMICAL PROPERTIES

• Chemical Composition: Al2O3 (Aluminium Oxide)
• Hardness: 9 Moh’s Scale
• Refractive Index: 1.76
• Density: 3.98 – 4.1 g/cm3
• Dispersion: 0.018
• Purity: 0.9999
• Manufacturing Process: Verneuil / Flame Fusion