This is a bracelet by Mayumi Murasawa. "Mayumi Murasawa" is a Japanese jewelry brand targeting adult women. It features simple and sophisticated designs, offering items suitable for everyday wear and special occasions. The sixth photo shows the "wisdom" bracelet, which is currently on sale. I purchased this bracelet before the "wisdom" model was released, so it's likely a previous model. It may have a slightly more edgy feel than the "wisdom" bracelet. Price is not negotiable.