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Lumina 12 Jewelry Yarn for Crochet
100% PET polyester cord made of 12 twisted strands with a diameter of about 0.8 mm, available in a 25-meter roll weighing about 11 grams. Recommended with crochet hook 1.50–1.75 for jewelry with an even texture and a professional finish.
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SCHEDA RAPIDA: Composition: 100% PET Polyester | Structure: 12 twisted strands | Diameter: about 0.8 mm | Roll weight: about 11 g | Roll length: 25 m | Recommended crochet hook: 1.50–1.75 | Ideal use: jewelry, bracelets, necklaces, earrings
Lumina 12 Jewelry Yarn: the Perfect Cord for Crochet Jewelry
Lumina 12 is the 100% PET polyester cord designed for anyone who wants to create crochet jewelry with a neat, professional result. Its 12-twisted-strand structure delivers an even diameter of about 0.8 mm, ideal for bracelets, necklaces, earrings and jewelry details with a clean, defined texture. On Tessiland you’ll find it in a wide range of colors, with the confidence of a product selected for performance and workmanship quality.
Working with Lumina 12 means holding a cord that glides smoothly on the crochet hook, keeps its shape even in more intricate stitches, and delivers a compact, glossy surface. Each 25-meter roll weighs only about 11 grams: a handy format that’s easy to manage even during long sessions or on the go. The PET polyester composition makes the cord durable over time, color-stable, and suitable for jewelry intended for everyday wear. The 12-strand twist ensures that ideal thickness—about 0.8 mm—which, with a 1.50–1.75 hook, produces defined stitches with no loosening and no distortion. The result is an even texture that enhances both geometricdesigns and softer, organic shapes, making Lumina 12 the go-to choice for anyone creating handmade jewelry with care and attention to detail.
TECHNICAL ANALYSIS: What are you really buying?
Lumina 12 is a technical cord engineered for handmade crochet jewelry. Below we break down the features that make it a precise, reliable tool for anyone working with fine threads and aiming for professional-level results.
1. Structure and diameter: why 12 twisted strands make the difference
Lumina 12 is built from 12 individual strands twisted together to reach a final diameter of about 0.8 mm. This design is intentional: multi-strand twisting compacts the cord section, making it round, stable and resistant to flattening. While crocheting, the cord doesn’t fray, doesn’t split on the hook tip, and keeps its round shape even through tighter passages.
Visually, you get a stitch pattern with a crisp profile, where stitches are clearly defined and separated. This quality is crucial in jewelry, where any small inaccuracy is visible up close.
2. 100% PET polyester: durability and color stability
Lumina 12 is made of 100% PET polyester, a synthetic fiber known for its excellent long-term performance. Unlike natural fibers, polyester doesn’t absorb moisture, doesn’t deform from skin contact and perspiration, and keeps its structural integrity even with everyday use.
Color fastness is one of this material’s strengths: pigments on synthetic fibers often resist rubbing and light exposure better than many naturally dyed fibers. For a bracelet or necklace worn regularly, this means jewelry that holds its original look longer.
3. Yield and format: what a 25-meter roll gives you
Each Lumina 12 roll provides 25 meters of cord with a weight of about 11 grams, a ratio of roughly 2.27 meters per gram. It’s a format designed for jewelry making, where material use per piece is small, but precise stock management matters.
The lightweight roll is easy to handle while working: it won’t clutter your workspace and is less likely to roll away during crochet sessions. The 25-meter length is intended to complete one or more pieces from the same roll, minimizing joining knots in the finished jewelry.
4. Recommended hook and working behavior
Lumina 12 performs best with a 1.50 to 1.75 mm crochet hook. Within this range, the cord is picked up cleanly, stitches form evenly, and tension stays consistent without constant adjustments.
The material glides smoothly without excessive drag, yet it’s not so slippery that you lose control of tension. If you use techniques such as reverse single crochet, crab stitch, or tight stitches, Lumina 12 responds well and produces dense, structured surfaces. A medium-firm tension is recommended for a compact texture with no gaps between stitches.
5. Jewelry types you can make: from bracelets to earrings
The 0.8 mm diameter and controlled stiffness of Lumina 12 make it suitable for a wide range of crochet jewelry:
- Bracelets: the compact structure keeps a round shape even without internal supports, staying comfortable on the wrist and resistant to everyday stress.
- Necklaces: the material’s lightness is ideal for longer pieces that won’t weigh down the neck and stay nicely centered.
- Earrings: PET polyester’s low weight is perfect for crocheted earrings that need to remain lightweight.
- Rings and charms: the stitch precision allows small, detailed decorative elements to pair with metal findings.
- Details and edging: Lumina 12 also works as a finishing cord for edging, applications on bags, or accessories made with other materials.
Care: How to keep your pieces looking great over time
Lumina 12 is a PET polyester cord made for jewelry: it doesn’t require the same care as garment yarns, but a few small precautions will help your jewelry last.
- Clean jewelry made with Lumina 12 by wiping the surface with a soft, slightly damp cloth, without vigorous rubbing.
- Avoid prolonged contact with perfumes, creams and other cosmetics directly on the cord to preserve its sheen over time.
- Store your jewelry in a box or closed pouch to prevent dust from collecting between the stitches.
- If needed, gently hand wash the jewelry in cold water with a mild soap, then let it dry flat on a level surface away from direct heat sources.
- Store unused rolls in a dry place away from direct sunlight to keep color and strand compactness unchanged.
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✨ TESSILAND STUDIOFrequently Asked Questions
What crochet hook size should I use with Lumina 12?
We recommend using a 1.50 to 1.75 mm crochet hook. In this range, the cord works at the right tension, producing well-defined stitches and a compact texture—ideal for jewelry with a neat, professional look.
What is Lumina 12 made of?
Lumina 12 is made of 100% PET polyester. It’s a strong synthetic fiber, color-stable and suitable for daily wear—features that are especially valued for jewelry meant to be worn regularly.
How much cord is in each Lumina 12 roll?
Each roll contains 25 meters of cord with a weight of about 11 grams. It’s a practical, easy-to-handle format designed specifically for jewelry projects.
What is the diameter of Lumina 12 cord?
The cord diameter is about 0.8 mm, achieved by twisting 12 individual strands. This size provides a round, stable section that won’t flatten while working.
Is Lumina 12 suitable for making earrings?
Yes. Lumina 12 is especially suitable for earrings thanks to PET polyester’s very low weight. Jewelry made with this cord remains lightweight on the ear even with more elaborate work.
Are Lumina 12 colors long-lasting?
The PET polyester composition provides good color fastness, with solid resistance to rubbing and light exposure. As with all jewelry, we still recommend avoiding direct, prolonged contact with perfumes and creams to preserve shine.
Can I use Lumina 12 for techniques other than crochet?
Lumina 12 is designed and optimized for crochet. However, its compact structure and even diameter also make it suitable for other jewelry techniques such as braiding, light macramé, or as a finishing cord on accessories made with other materials.
Does Tessiland show a dye lot/batch number for Lumina 12?
Jewelry products like Lumina 12 don’t follow the dye-lot system typical of garment yarns. If you have questions about the availability of a specific color or need support with your purchase, you can contact Tessiland customer service: you’ll find real people, not bots, ready to help.
Is Lumina 12 suitable for beginners in crochet jewelry?
Yes. The 12-twisted-strand structure makes Lumina 12 a cord that’s stable and easy to control: it won’t split on the hook and it keeps tension consistent. If you’re new to crochet jewelry, this material is a reliable partner for learning while achieving satisfying results from your first projects.
How should I store unused Lumina 12 rolls?
Store the rolls in a dry place, away from direct sunlight and heat sources. This helps keep both color and strand compactness unchanged until you’re ready to use them.
Does Lumina 12 hold its shape in finished jewelry without internal supports?
Yes. The cord’s twisted structure and PET polyester’s controlled stiffness allow jewelry to hold its shape even without internal supports or armatures. This is especially true for bracelets and rings, which keep their form thanks to the cord thickness and the compact stitch texture.
Can I wash jewelry made with Lumina 12?
Yes. If needed, you can wash the jewelry by hand in cold water with a mild soap, then let it dry flat on a level surface away from direct heat sources. Avoid machine washing and high temperatures.
