intage-style ring crafted in 18K white gold, marked 18K, with a total weight of 8.2 grams. The ring is set with one green chrysoprase and one brilliant-cut diamond weighing approximately 0.15 ct. According to the accompanying Certificate of Authenticity issued by Alessi Joyeros, the chrysoprase identification would require the gemstone to be unmounted for a more precise analysis. Metal: 18K white gold Total weight: 8.2 g Main gemstone: Chrysoprase Secondary gemstone: Brilliant-cut diamond Diamond weight: 0.15 ct Brand: Unbranded Condition: Very good vintage condition with normal minor signs of wear consistent with age. The ring will be supplied with the accompanying Alessi Joyeros Certificate of Authenticity.