Related Clues:

• Topaz or emerald, e.g
• Jewelry store stone
• Very special person
• Emerald or opal
• Opal, for one
• Thing in an expensive ring
• Ruby or emerald, e.g
• A diamond is one
• 53-Across, for one
• The diamond in a ring
• Sparkling valuable
• Item in 'bling'
• Pitching masterpiece
• Turquoise or aquamarine
• Alexandrite, e.g