Zirconia Star Open Ring Color: Silver Size: Inner diameter approx. 1.7cm / Size 13 (Japan) Material: Copper Decoration: Zirconia Brand new, unused. [Product Description] This open ring has a vintage feel with a subtle star motif. The simple silver color and the elegant sparkle of the zirconia will accent your hands. The open ring design makes it easy to fit your finger and is easy to incorporate into your everyday outfits. It is also recommended for layering. [About the Material] Zirconia is an artificial gemstone that has a transparency and hardness similar to diamonds, and is characterized by its elegant shine.