- ❣ Material: Copper Alloy. - ❣ Main Stone:High quality zircon. - ❣ Zircon Grade:AAAAA. The product is made of copper alloy, style for Nickel-free, Lead-free, Cadmium-free, Hypoallergenic. Quality Assurance, Comfortable to wear, Not harmful for your health. - ❣ Weight: 1.8g. - ❤ Ring Size: US Size 6(Dia): 16.5mm/0.65 (Approx.) US Size 7(Dia): 17.3mm/0.68 (Approx.) US Size 8(Dia): 18.1mm/0.71 (Approx.) US Size 9(Dia): 18.9mm/0.74 (Approx.) US Size 10(Dia): 19.8mm/0.78 (Approx.) - ❣ Suitable for all women. - ❤ Applicable occasions: Party/Anniversary / Daily /Casual / Gift. -