Karat : .925 Sterling Silver Net weight : 2.4 grams Size : 8.25 Gemstones : 1 Genuine Oval Opal - 2.19 carats Opal grades, Hue . . . blue-multi Tone . . . medium dark Saturation . . . vivid No inclusions or flaws 41 genuine black onyx - 0.01 ct each Type of Setting - Prong Shape of Stone - Oval & Round |