Sapphire is a deep, rich royal blue with intense saturation and a bold, jewel-toned sparkle. The color reads as a classic, confident blue with no purple or green lean, delivering the kind of depth you expect from the gemstone it is named after. Foil backing amplifies the richness and gives each stone a powerful, glassy flash that commands attention. This is the definitive blue for rhinestone work. It works for team colors, patriotic themes, ocean-inspired builds, and anywhere you need a strong blue that delivers without hesitation. Use it on tumblers, shoes, jackets, dance costumes, phone cases, and custom apparel. Pairs well with capri blue, light sapphire, crystal, and jet black for bold, clean combinations. KiraKira Glass Rhinestones by CrystalNinja are premium foiled flatback glass rhinestones engineered for clean placement, strong sparkle, and reliable results. Most colors ship in an approximate 10 gross pack (about 1,440 stones). ss30 packs ship in an approximate 2 gross pack (about 288 stones). These rhinestones are ideal for apparel, shoes, tumblers, canvases, accessories, and custom builds. All flatback rhinestones require adhesive for application. Visit our glue collection for the best adhesive options for your project. Available in sizes ss3 through ss30. MixedPack option available for size variety in one pack.