Song: "Diamonds"
Artist: Chris Rea
Peak position on the Cashbox Singles chart: #44
Number of weeks on the Cashbox Singles chart: 9
Weekly data:
| Week ending | Rank | Title | Artist | Label |
|---|---|---|---|---|
| March 31, 1979 | 87 | Diamonds | Chris Rea | United Artists 1285 |
| April 7, 1979 | 74 | Diamonds | Chris Rea | United Artists 1285 |
| April 14, 1979 | 64 | Diamonds | Chris Rea | United Artists 1285 |
| April 21, 1979 | 54 | Diamonds | Chris Rea | United Artists 1285 |
| April 28, 1979 | 48 | Diamonds | Chris Rea | United Artists 1285 |
| May 5, 1979 | 44 | Diamonds | Chris Rea | United Artists 1285 |
| May 12, 1979 | 44 | Diamonds | Chris Rea | United Artists 1285 |
| May 19, 1979 | 60 | Diamonds | Chris Rea | United Artists 1285 |
| May 26, 1979 | 96 | Diamonds | Chris Rea | United Artists 1285 |
Rankings greater than 100 are from the Cashbox 'Looking Ahead' charts.