Lab-Grown Alexandrite 4mm Round Faceted Gemstone

Created to exacting standards, using state-of-the-art gem-lab technology from high quality material grown in the United States, this lab-grown alexandrite has a chemical make-up identical to the finest natural alexandrite. The gemstone provides more consistent color tones while refracting clean bright hues, especially under florescent light. It performs at the bench just as a natural gemstone does but, unlike natural alexandrite, this lab-grown gemstone is heat-resistant and can be successfully cast or fired in place. Alexandrite is the birthstone for June. Round-cut gemstones are highly popular and the most commonly available. Rio round gemstones are calibrated for size and hand inspected to ensure maximum attractiveness.

• Gemstone Type: Alexandrite
• Stone Shape: Round
• Stone Size: 4mm
• Stone Type: Lab grown
• Color: Bluish-Purple
• Birthstone: June
• Enhancement: Synthetic (SYN)
• Mohs Hardness: 8.5
• Refractive Index: 1.746–1.755
• Specific Gravity: 3.7–3.78
• Weight: 0.000 kg