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Flatback Rhinestones – Black Diamond 40ss – LUX European Crystal™
Turn up the drama with 40ss LUX Flatback Rhinestones in Black Diamond. These oversized smoky-gray crystals deliver maximum sparkle for costumes, fashion, pageantry, nails, and DIY projects with striking sophistication.
Why You’ll Love Them
- Color: Black Diamond – smoky gray with sophisticated, neutral brilliance
- Size: 40ss (8.5 mm) – oversized stones for bold, dramatic sparkle
- Flatback – non-hotfix, glue-on rhinestones
- 12-facet cut (9 main + 3 top) for radiant 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: 1 Gross Pack (144 pieces)
Also Available: 0.5 Gross Pack (72 pieces)
Explore our complete Black Diamond LUX Flatback Crystals collection for more sizes and styles.
Crystal Size Reference Guide
| Stone Size (ss) | Size (mm) | Common Name | Best Use |
|---|---|---|---|
| 5ss – 7ss | 1.8 mm – 2.2 mm | Extra Small | Fine detail, nail art |
| 9ss – 12ss | 2.5 mm – 3.1 mm | Small | Outlines, accents |
| 16ss | 3.9 mm | Mid-Sized | General coverage |
| 20ss | 4.6 mm | Most Popular | Dance and costume use |
| 30ss | 6.4 mm | Large | Bold accents |
| 34ss | 7.2 mm | Extra Large | Statement pieces |
| 40ss | 8.5 mm | Oversized | Maximum sparkle and drama |
