AAA 6mm Natural Russican Amethyst GEMSTONES Round Loose Beads 15'' 5 out of 5 stars. Total Ratings 13, Compare at $5.00. Go to next slide - Great prices on popular products. Showing slide 1 of 8 - Best Selling. Go to previous slide - Best Selling. 8mm Imperial Jasper GEMSTONE Grade AA Rainbow Round 8mm Loose Beads 16" 5 out of 5 stars.