Related Clues:

• Absolute beauty
• Amethyst or tourmaline
• Ring rock
• Glittering valuable
• Valuable stone
• Amazing thing
• Item for 26-Across
• It's multifaceted
• "To Sir, With Love" songstress
• Diamond, for one
• Setting sight
• Peach
• Emerald or pearl
• Great pitching effort, as it were
• Turquoise or topaz, e.g.