Related Clues:

• Lapidary's item
• It may be precious
• Necklace part
• Gem of the ocean
• Lapidarist's item
• Unit of wisdom
• Emerald, e.g.
• Strand unit
• Oyster's creation
• Very precious thing
• Valuable rock
• Amber, for one
• Ring feature
• Tourmaline or amethyst, e.g.
• Amethyst, e.g.