Choose Options High Quality Grade A Natural Silk Stone (grey) Semi-precious Gemstone Round Beads - 4mm, 6mm, 8mm, 10mm sizes As low as £5.99 High quality Natural Silk Stone semi-precious gemstone round beads Grade A One strand approx 15.5" long 4 sizes available: 4mm (98 - 102 beads), 6mm (65 - 68 beads), 8mm (47 - 50 beads), 10mm (39 - 42 beads), please choose your preferred size from the... As low as £5.99 Choose Options