Design: The Opal has a starlight effect and a color-changing effect, making the ring very shining and charming.This twisted opal engagement ring is not only suitable as an engagement ring, but also as a wedding ring, anniversary ring, promise ring, etc. Ring Specifications: Metal type: 925 Sterling Silver/10K/14K/18K gold（in real gold, not just a covering). Metal color: White gold/Yellow gold/Rose gold.Stone type: Opal & Moissanite(Center stone: 1CT). Ring size(US):4-12. Customize Now: Please select the style you want, then click "Customize Now", select the metal type, color, size of the ring and write down the text you want to be engraved on the inner wall of the ring. Customize an exclusive personalized ring to represent exclusive love. Use a delicate ring to touch a woman's heart. High Quality: Our rings are lead free & nickel free & anti-allergy, comfortable to wear, suitable for every women. Each ring of Blocaci has been uniquely designed by the designer and made with exquisite craftsmanship. Customer Service: Each product undergoes strict inspection. If you have any questions, we will spare no effort to solve them for you!