Elevate your collection with the Blue Crystal Star on Clear Crystal Base. This blue crystal star on clear crystal base enhances your space with a trophy-like prestige. Add to your collection and buy today! Blue crystal star on clear crystal base, 1-1/8" thick at bottom of the base. Optical crystal is lead-free and suitable for laser engraving or sand etching. All Airflyte Optical Crystal Awards are packaged in padded gift boxes.