Triquetra Celtic Knot Oval Created White Opal Sterling Silver Ring Crafted with an irresistible, Celtic inspired design, October babies will love this sterling silver ring. Accented by a vivid, oval, simulated opal surrounded by a triquetra knot motif. Stone: 8mm L x 7mm W Measure: Width: 2mm Weight: 2.4 Grams Material: 925 Sterling Silver, Rhodium Plating, Synthetic Opal Measure: 2mm Band Width Weight: 2.4 grams