Nicky Butler 6.30ctw Lemon Quartz Triplet Sterling Silver Triangular Solitaire Ring Size 7. Design Information: Ring has triangular table bezel-set, triangular Lemon Quartz Triplet solitaire at center; Leaf filigree on each shoulder' Measurements: Approx. 1/2"L x 15/16"W x 5/16"H; shank 1/8"W. Metal Type Sterling silver Metal Stamp: .925; Finish: Oxidized, polished; Additional Features: Tapered shank, handcarved; Country of Origin: India; Stone Information: Total Carat Weight: 6.30ct; Lemon Quartz Triplet: Triangular (13x13mm);' mined in Brazil.