Hotfix Rhinestones – Black Diamond 30ss – MAXIMA Crystals by Preciosa®

Make a bold, sophisticated impact with 30ss MAXIMA Hotfix Rhinestones by Preciosa® in Black Diamond. These large crystals (approx. 6.4mm) showcase a sleek smoky grey tone and feature a heat-activated adhesive backing—perfect for performance wear, formal costumes, and accessories needing both sparkle and staying power.

Why You’ll Love Them

• Color: Black Diamond – modern, neutral grey with high sparkle
• Size: 30ss (approx. 6.4mm) – ideal for bold accents and dramatic flair
• Hotfix backing activates with heat for durable fabric adhesion
• MAXIMA precision cut delivers brilliant light reflection
• Lead-free and ethically produced in the Czech Republic

Packaging Options

• Best Value: 2 Gross Pack (288 pieces)
• Also Available: .5 Gross Pack (72 pieces)

If you're looking for more alternatives, consider 30ss Crystal Collections. 

What is MAXIMA Crystal by Preciosa®?

MAXIMA Crystal by Preciosa® is the highest-quality European branded crystal available today—Preciosa’s most premium line and a top choice for luxury hand-crafted creations. Produced in the historic Crystal Valley of Bohemia, these lead-free crystals represent centuries of artistry, precision cutting, and crystal innovation.

Preciosa is a global leader in crystal manufacturing with a legacy rooted in ethical business practices, artisan support, and sustainable production. As an Authorized Preciosa Partner, Rhinestones Unlimited is proud to supply authentic MAXIMA crystals that reflect brilliance, craftsmanship, and a commitment to supporting creative professionals worldwide.

Why Choose MAXIMA Crystals?

• Meets the highest industry standards for quality and ecological certifications
• Engineered with additional precision cuts for intense brilliance and optical performance
• Superior faceting for unmatched light refraction and sparkle
• Strict quality control ensures consistency in size, shape, and clarity
• Durable silver-backed foiling and reliable hotfix glue for lasting adhesion
• Luxurious packaging that reflects the elevated quality of the crystals inside
• Brand use is available for your products featuring MAXIMA Crystal by Preciosa®

Crystal Size Reference Guide