1000 Jewels Jamaica: 1.12ct Synthetic White Opal and Ice on Fire CZ Cocktail Promise Ring Silver, 5014 Made with Synthetic Fiery White Opal and Ice on Fire CZ Gemstones. A contemporary and elegant Bypass Friendship, Promise or Right-hand Cocktail-Fashion Ring Features a stunning 5 x 7mm Synthetic Fiery White Opal shouldered by Round, Brilliant-cut Russian Ice on Fire CZ's. Made with Solid 925 Sterling Silver