1 Strand Labrodorite Micro Faceted Roundel 3.5-4mm 13 - 1 strand of 13". AAA Quality Beads. - High Quality Faceted Beads. 3.5-4 mm in Size - Natural Beads for DIY, Jewelry Making and Crafts - Natural Beads for DIY, Jewelry Making and Crafts - Comes with a signed Certificate of Authenticity from GemMartUSAInc