Antique 8-Carat Color Change Sapphire
Color-Change Sapphires react to different light by refracting different colors depending on light source. Color changes for neon, incandescent, LED, natural sunlight, etc. In this lovely antique ring we have seen reddish blue, reddish purple, and dark blue. A ring with different personalities.
This is a large stone measuring 13mm in diameter by 7.0 millimeters in depth for a measured size of approximately 8 carats. A large solitaire. It is set in a 10K Buttercup setting to maximize light reflection and refraction. The ring is a size 5.25 (5 1/4) and has a weight of 3.9 grams.