Grandidierite: This gemstone, with its striking blue-green color, is named after the French naturalist Alfred Grandidier and is exceptionally rare.
Painite: Painite was once considered the rarest mineral in the world. Its brown to black appearance and scarcity make it highly sought after by collectors.
Pink Star Diamond: The Pink Star Diamond is one of the largest and most exquisite pink diamonds ever discovered, making it incredibly valuable.
Alexandrite: Known for its color-changing properties, Alexandrite shifts from green in daylight to red under incandescent light, captivating gem enthusiasts.
Black Opal: Black opals are celebrated for their dark body tone and vibrant play-of-color, making them the rarest and most valuable opals.
Blue Garnet: This unique garnet variety can change color from blue-green in daylight to purplish-red under incandescent light, a phenomenon that continues to mystify gemologists.