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US$0.38 per gram US$0.44 per gram for pieces below 2.6 gram
 R655 |
 R656 |
 R657 |
 R658 |
 R659 |
| 2.9g | 2.1g | 2.9g | 3.0g | 3.6g |
 R660 |
 R661 |
 R662 |
 R663 |
 R664 |
| 3.2g | 1.3g | 5.8g | 9.5g | 6.1g |
 R665 |
 R666 |
 R667 |
 R668 |
 R669 |
| 3.6g | 1.8g | 8.3g | 6.9g | 7.4g |
 R670 |
 R671 |
 R672 |
 R673 |
 R674 |
| 4.8g | 4.3g | 5.8g | 4.3g | 2.0g |
 R675 |
 R676 |
 R677 |
 R678 |
 R679 |
| 3.8g | 4.3g | 4.8g | 4.9g | 5.1g |
 R680 |
 R681 |
 R682 |
 R683 |
 R684 |
| 8.2g | 5.2g | 10.4g | 4.7g | 3.7g |
 R685 |
 R686 |
 R687 |
 R688 |
 R689 |
| 2.7g | 10.1g | 13.0g | 11.1g | 9.7g |
 R690 |
 R691 |
 R692 |
 R693 |
 R694 |
| 5.0g | 3.3g | 5.7g | 3.7g | 1.2g |
 R695 |
 R696 |
 R697 |
 R698 |
 R699 |
| 4.0g | 1.9g | 1.4g | 2.9g | 0.8g |
 R700 |
 R701 |
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| 3.8g | 1.9g |
Silver rings 1 | Silver
rings 2 | Silver rings 3 | Silver
rings 4 | Silver rings 5 | Silver
rings 6 |
Silver rings 7 | Silver
rings 9 | Silver rings 10 | Silver
rings 11 | Silver rings 12