Turkish Handmade Reversible Oval Amethyst 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 Amethyst and the other side is Topaz.Just turn the stone. The stones are Amethsyt and Topaz. This amazing reversible ring is 11.2 grams. All have 925 stamp.