Nice large oval stone 20x23mm (Almost 1") Solid 925 sterling silver...blackened (oxidized) ridges for a vintage look Bezel of stone is made from solid 10k gold Natural black onyx...semi precious stone! No two ring are alike...gorgeous handmade item! Weighs roughly 13-15 grams depending on ring size Can be worn as a signet ring or as a pinky ring. Even as a ring on your middle or index finger :) We have sizes 7-13 Please specify what size you need or we ship size 8 by default