Possible Clues:

• Raised crown containing very serious gemstone
• The fairy comes to a full stop in a rather precious way
• A green semi-precious stone
• Top ride (anag) — gemstone
• Pale green olivine gemstone
• Gemstone darling receives free, with love
• Gem that's awful put back in container
• Gemstone returned to dreadful party leader
• Yellowish green birthstone
• The jewel of the Dior collection, dear, for the cover