Guarantee: We guarantee our jewelry is natural gemstone and real 925 silver. If you receive fake jewelry from us, we will give you 10 times payment back. Specification: Material: 925 silver with gold plating Ring Size Range: from 5 to 14, USA standard Resizable: from 5 to 10, USA standard Gemstone Name: Natural Rose Quartz Gemstone Size: 13mm Gemstone Weight: 8ct Gemstone Shape: Heart Shape Gemstone Origin: China Gemstone Grade: VVS Grade Gemstone Treatment: None Side Gemstone: VVS Grade Zircon Aftersale Service: 1. Don't receive parcel, we will return your payment or send new one. 2. Any quality problems in 30 days, we will return your payment or send new one. 3. Free repair service in 1 year. (Don't include shipping cost) 4. Dropshipping orders have more discount. ( contact service staff ) Jewelry Certificate: We Promise our jewelry is real 925 silver. We can provide GIC certificate, click this picture to know and pay for certificate: