Possible Clues:

• Gem right inside ring
• Fine example of cyclopaedia pupil's brought in for school
• 'The Scarlet Letter' daughter
• Some valuable wisdom?
• ___ onion
• A gem looks right in the ring
• Pele was the Black one
• Diver, nineteen forty seven Derby winner
• Elkie Brooks's singer ora Janis Joplin album
• Steinbeck story (with "The")