There are no certificates. Although unused, there may be scratches unique to the stones. I will purify it using my own method and ship it via anonymous delivery. Size adjustments are not possible. Due to the rubber construction, it may break if pulled too hard. A beaded bracelet using amethyst and crystal. - Materials: Amethyst, crystal, etc. - Design: Beaded bracelet - Colors: Transparent, purple, black, gold - Style: Casual, elegant Thank you for viewing.