These beads measure 18mm long by 12mm wide by 8mm thick. The hole measures 1mm in diameter (the hole size may vary on each bead).
Czech Glass Beads - Available in Vibrant Colors, Finishes, Textures - Eureka Crystal Beads
Blue Heliotrope Crystal Navette Marquis 18x12mm Chinese Crystal Glass Beads Per Strand
50 Vintage Japanese Cobalt Blue Glass Beads
Collectible Trade Beads – Ayla's Originals
Chinese Crystal Rondelle Shape 6mm X 4mm Cobalt Blue Beads – Krafts and Beads
Crystal Volcano Crystal Navette Marquis 18x12mm Chinese Crystal Glass Beads Per Strand
Czech Glass Beads 9mm Teardrop Cobalt Blue (50 pcs) — Beadaholique
12MM Light Blue Quartz Glass Bead (24 pieces)
Crystal Heliotrope Crystal Large De-Art Nugget 25x16mm Chinese Crystal Glass Beads Per Strand
Cufflinks, Men's Jewelry, Jewelry & Watches - PicClick