the number start at #50 are the top grade lepidolite,more clear and shinning than before,has better craftsmanship and more reliable we had upload 35 seconds video to youtube if you want to see more longer video, highly recommend this ring to everyone Handmade item Ship from: California Materials: Crystal, Gemstone，brass Gemstone:white/Pink/Purple Lepidolite Adjustable Please Flow us facebook,Instagram,Tiktok,YouTube @ Ulovecreations to see more video and updates Lepidolite is believed to posses