Flatback Rhinestones – Black Diamond AB 12ss – LUX European Crystal™

Add subtle rainbow shimmer to smoky elegance with 12ss LUX Flatback Rhinestones in Black Diamond AB. These crystals combine the sophisticated gray tone of Black Diamond with a luminous AB finish—perfect for nails, costumes, fashion, pageantry, and DIY projects.

Why You’ll Love Them

• Color: Black Diamond AB – smoky gray with a radiant, iridescent AB overlay
• Size: 12ss (3.1 mm) – great for outlines, accents, and nail art
• Flatback – non-hotfix, glue-on rhinestones
• 12-facet cut (9 main + 3 top) for dazzling brilliance
• Crafted in either the Tyrolean Alps of Austria or the Crystal Valley of Northern Bohemia
• Meets EU quality and ecological certification standards

Packaging Options

Best Value: 10 Gross Pack (1,440 pieces)
Also Available: 1 Gross Pack (144 pieces)

What is Shimmer AB?

Shimmer AB is Preciosa’s delicate and radiant take on the classic Aurora Borealis coating. Unlike traditional AB, this lighter version allows the crystal’s base color to remain visible, while still delivering that dreamy, multi-color shimmer that dances in the light.

Discover our full range of Black Diamond AB LUX Flatback Crystals for more sizes and styles.

What is LUX European Crystal™?

LUX European Crystal™ is a Rhinestones Unlimited exclusive line of high-quality, affordably priced European crystal rhinestones. Produced in the world’s most advanced crystal factories—either in the Tyrolean Alps or Bohemia’s Crystal Valley—these stones offer premium sparkle with a customer-friendly price point.

Each LUX crystal features 12 precision-cut facets (9 main + 3 top cuts) for intense brilliance. Available in 72 colors, LUX stones are crafted using pure ingredients and premium aluminum foiling, with a traditional AB coating known for its vibrance. Whether you're designing for performance, pageantry, or creative retail, LUX crystals deliver quality and value in every cut.

As global supply chains shifted, many LUX colors are now produced by Preciosa—ensuring consistent brilliance and a seamless experience for our customers.

Why Choose LUX?

• Brilliant sparkle at a competitive price
• 12-facet cut (9 + 3) ensures strong light reflection
• Produced in Europe’s most trusted crystal factories
• Reliable foiling and long-lasting glue-on performance
• Eco-conscious and ethically manufactured

Crystal Size Reference Guide