Hallmark by EdinburghI Assay.Organic Black Dimond & Ruby RingSKU: OBDRR36£490.00PriceAdd to CartHandmade by Matthew Read,Organic Black Dimond and Ruby Ring, Sterling Silver and 9k Gold Spheres with Uncut Black Dimond and Ruby Stones, Dimensions H 28mm W 22mm D 24mm, Ring size O.