This beautiful ring is made with 2.35 carats of all real, earth mined gemstones including aquamarine, sky blue topaz, and white zircon. The aquamarine is the gemstone in the center, and it measures 8x6mm. The ring is set in solid .925 sterling silver with a rhodium plate to prevent tarnishing. The ring in the photos is the actual one you will receive, so please see photos for quality and measurements. The aquamarine and topaz are tested in the photos for verification. Size 10. What are zircons? Zircons are oftentimes confused with cubic zirconia due to the similarity in the name. However, zircons are real, earth mined gemstones from the zirconium silicate family. Inventory: J2