These 6.3mm – 6.5mm bright, saturated scarlet-red hotfix crystals from Preciosa® bring the vivid, high-intensity color of Vivid Siam to statement accents and bold costume designs. MAXIMA is Preciosa's premium rhinestone line, precision-cut in Europe for maximum brilliance and consistency. For comparable non-hotfix, Shop MAXIMA Crystals by Preciosa® Flatback Rhinestones Vivid Siam 30ss.
Best for: dance costumes, competition and cheer wear, skating dresses, holiday and Valentine's Day designs, and any project where a bright, clean scarlet red needs to read with energy and maximum visibility under stage lighting.
Why You'll Love Them
- Vivid Siam color: A bright, saturated scarlet red with clean, high-intensity character that reads as bold and energetic under stage and natural lighting
- 30ss (6.3mm – 6.5mm) size ideal for bold statement accents and high-impact designs
- Hotfix backing: Heat-activated adhesive for fast, clean application to fabric
- MAXIMA quality: Preciosa's premium European crystal line, precision-cut for maximum light return
- Consistent stones: Uniform sizing and shape in every pack, so no culling required
Size Reference
30ss rhinestones measure approximately 6.3mm – 6.5mm. This is one of the larger hotfix sizes, well suited for bold accents, costume borders, scattered statement stones, and designs that need to read from a distance under stage lights. To compare sizes, see our rhinestone size chart with ss, mm, and inches.
Packaging Options
- Best Value: 2 gross (288 pieces)
Crystal Size Reference Guide
| Stone Size (ss) | Size (mm) | Common Name | Best Use |
|---|---|---|---|
| 5ss | 1.7mm – 1.9mm | Extra Small | Fine detail, nail art |
| 7ss | 2.1mm – 2.3mm | Extra Small | Fine detail, nail art |
| 9ss | 2.5mm – 2.7mm | Small | Outlines, accents |
| 12ss | 3.0mm – 3.2mm | Small | Outlines, accents |
| 16ss | 3.8mm – 4.0mm | Mid-Sized | General coverage |
| 20ss | 4.6mm – 4.8mm | Most Popular | Dance and costume use |
| 30ss | 6.3mm – 6.5mm | Large | Bold accents |
| 34ss | 7.0mm – 7.3mm | Extra Large | Statement pieces |
| 40ss | 8.4mm – 8.7mm | Oversized | Maximum sparkle and drama |
| 48ss | 10.9mm – 11.3mm | Oversized | Maximum sparkle and drama |
Frequently Asked Questions
What color is Vivid Siam in rhinestones?
Vivid Siam is a bright, saturated scarlet red with clean intensity and no brown or purple cast. It reads as bold and energetic under stage and natural lighting — brighter and more scarlet-forward than classic Siam, which is a deeper ruby red with cooler blue undertones. Vivid Siam is the stronger choice when maximum visibility and a true, fire-engine red quality are the goal.
What are 30ss rhinestones best for?
30ss rhinestones measure approximately 6.3mm – 6.5mm and are one of the larger hotfix sizes. They are best for bold statement accents, costume borders, scattered large stones, and designs that need to read clearly from a distance under stage lights. A 2 gross pack (288 pieces) suits generous accent areas or multiple costume pieces.
What is the difference between Vivid Siam and Siam at 30ss?
Siam is a deep, jewel-toned ruby red with cool blue undertones — rich and dramatic in quality. Vivid Siam is brighter and more scarlet, with stronger saturation and less depth. Under stage lighting, Siam reads as dark and sophisticated while Vivid Siam reads as bright and high-energy. The two pair well when a design calls for both depth and brilliance in the same red family.
Can I mix Vivid Siam 30ss hotfix with smaller sizes for a layered design?
Yes. Pairing 30ss stones as focal accents with 16ss or 20ss fill stones in Vivid Siam is a common technique for graduated coverage. Because MAXIMA crystals are sorted to strict size tolerances, Vivid Siam at different sizes will match in color and finish throughout the design.
Browse our full Vivid Siam color collection or shop all MAXIMA Crystals by Preciosa hotfix rhinestones.
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