Natural untreated chatoyant 0.77ct Ethiopian Opal is bezel set in .925 sterling silver with natural 0.05ct Brazilian white topaz. Opal information: Carat Weight: 0.77 ctw Gemstone Shape: Free-form Gemstone Setting: bezel Cut: Faceted Gemstone Color: Multi-color Origin Country: Ethiopia White Topaz information: Carat Weight: 0.05 ctw Gemstone Shape: Round Gemstone Dimensions: 2.00mm L x 2.00mm W Gemstone Setting: Prong Cut: Faceted Origin Country: Brazil Ring face measures approximately 0.6” long by 0.4” wide. Polished band is 3.2mm Measures at size 8 on mandrel Hallmark stamped Arya 925 for 92.5% sterling silver. Made in India. Last photo is brand/stock photo, not actual piece.