Related Clues:

• Sweat it
• Gem of an oyster
• Gem on a strand
• Necklace component
• Off-white color
• Oyster's gem
• Masterpiece
• Rifle sight
• It may start as a grain of sand
• Necklace unit, perhaps
• Something precious
• Oyster product
• Abacus feature
• Protective trinket
• Super Trouper Bert