Turkish Handmade Reversible Oval Emerald ,Onyx and Topaz 925 Sterling Silver Ring with multiple size options Please send note for requested size Material is 925 sterling silver and bronze. In one Ring, you will have virtually two rings. One side Emerald and the other side is Onyx.Just turn the stone. The stones are Emerald,Onyx and Topaz. This amazing reversible ring is 11.2 grams. All have 925 stamp.