1. Opal is a synthetic gemstone with color flashes and changes similar to natural gemstones, presenting a magical effect. 2. It uses international standard 925 silver, which is skin-friendly, comfortable and healthy to wear. 3. Inlaid with zircon, it adopts the cutting standard of 3A zircon, shining like a diamond. 4. Material: 925 silver + zircon + synthetic opal + platinum plating 5. Process: electroplating platinum 6. Size: height and width: 1.0 x 1.0cm; aperture: 0.45cm 7. Weight: about 2 grams 8. Note: This product is manually measured, and there may be errors of 0.1-0.2 mm and 0.1-0.2 grams in length and weight; there may be a slight color difference due to display and light problems. Please refer to the actual product!