Possible Clues:

• Making good piece of jewellery others love initially
• If the remainder is getting round and round, that's all for th better
• Bringing back to former state
• What's left to make it as good as new gets round and round
• For what's left, you get round and round to get it right
• Giving back what's left round and round
• Putting it away again, perhaps, to make it as new
• Be no longer out of, by the sound of it
• Putting away once more is all for the better
• Eliminating the effects of wear and tear on, as was done to 38-Across