Related Clues:

• Diamond bassist with Oasis
• Achievement needing skill, strength, etc.
• A jewel like Colin Archer
• But it brought Patti Labelle and Michael McDonald together
• Treasure - millions, say, dug up
• Stone of enormous size shortly to be raised
• Significant achievement
• Girl climbing one of the Cairngorms?
• Lots of food, but no seconds? That's some achievement
• Solitaire, e.g
• Something to brag about
• Emerald or diamond
• Ruby or pearl
• Polished stone
• Lapidary's specimen