Related Clues:

• A big, fat diamond, for one
• Exemplar of awesomeness, a century ago
• Ruby or opal
• Opal, for example
• Ruby or jade
• Topaz or tourmaline
• Chaos Emerald, e.g
• There's an official one for every month
• Sapphire or garnet, for example
• Emerald or amethyst
• Amethyst or jade
• Applied to anything perfect
• Absolute beaut
• Peridot, for one
• Amethyst or pearl, e.g