Related Clues:

• Ruby or diamond
• Aquamarine or amethyst
• Glam rock?
• Ruby or sapphire
• For example, over 1,000 stone
• Pearl or peridot
• Topaz or emerald, e.g
• Jewelry store stone
• Very special person
• Emerald or opal
• Thing in an expensive ring
• Ruby or emerald, e.g
• A diamond is one
• 53-Across, for one
• The diamond in a ring