Natural stone prehnite (grape stone) ring size approximately: 9mm * 11mm * thickness 7mm; Prehnite (grape stone) size approximately: 5.2mm * 7mm Ring size: Free size, adjustable by opening. Metal material: Alloy gold; Weight: Approximately 1.7g; Comes with a bag, product number A4023; *Recommended for free size rings: ● Those who are unsure about choosing a ring size, "I don't know my ring size clearly..." ● Rings become tight due to swelling at night Prehnite (grape stone) is a crystal with the effect of attracting wealth, enhancing positive financial luck (i.e., business luck). It helps to consider responses with a positive and calm attitude when encountering bottlenecks in business, creating new opportunities. It is suitable for business-minded women. If you want to break through your business or are feeling pessimistic about your current situation, why not try wearing grape stone? ■ The color of the photo may look slightly different from the actual product depending on the shooting environment. Instant purchase OK. Thank you!