Bead: approximately 6mm Length: 6.8inch, it’s stretch, If you prefer smaller or larger size, please contact me about custom sizing Color: as shown, dark brown Clarity: transparent, eye clean, A grade Shape: smooth round Smoky quartz is thought to evoke positive feelings of acceptance & calmness in those who wear it We look forward to the opportunity of serving you! Smoky Quartz Bracelet, Round Bead Healing Crystal Stretch Bracelet 6.3mm