WILLBOND 600 Pcs Crystal Glass Beads for Jewelry Making Bulk Faceted Rondelle 8mm 6mm 4mm (Black AB) Review (2026)
Updated September 21, 2026 · Research-based review
Our verdict
A bulk mixed-size pack of faceted glass rondelles in a moody black AB finish, useful for tapering a necklace or bracelet from large to small beads in one purchase. The dark color hides facet sparkle in dim light, and the three sizes are not split evenly.

WILLBOND's 600 black AB faceted crystal rondelles in 8mm, 6mm and 4mm, a mixed-size set for dramatic designs.
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What we liked
- + Three sizes let you graduate beads for tapered necklaces
- + Black AB finish gives a moody, oil-slick shimmer
- + Bulk mixed pack avoids buying separate size bags
Trade-offs
- - Dark color can hide facet detail in low light
- - Uneven split between sizes may not match your project needs
What's included
WILLBOND's pack bundles 600 faceted rondelle beads across three sizes, 8mm, 6mm, and 4mm, all in a black AB, or Aurora Borealis, finish rather than a single uniform size. Bundling multiple sizes into one bulk pack saves having to buy three separate bags to build a graduated design, which is a real convenience for anyone planning a necklace or bracelet that tapers from larger focal beads down to smaller spacer-style beads along the same strand. The rondelle shape, a flattened disc rather than a true round, is a classic choice for crystal-style beads because it catches light differently than a sphere does, giving each facet a sharper glint as the piece moves.
Color and finish
The black AB finish combines a dark base color with an iridescent coating that shifts subtly between colors depending on the light and viewing angle, giving the beads a moody, oil-slick shimmer rather than a flat black. This finish tends to show its best sparkle under direct or angled light, such as a lamp or sunlight catching the facets, and can look more subdued or simply dark in low ambient lighting where the iridescent shift is harder to see. That makes lighting worth considering for anyone planning to photograph or display finished pieces made with these beads.
Size distribution
Because the 600 beads are split across three sizes rather than being one uniform size, the quantity of each individual size works out to less than 600, and packs like this are commonly weighted toward the smaller size with fewer of the larger focal beads included. Anyone planning a design that depends heavily on the largest 8mm size as the main visual element should count out the pack's contents before starting a project to confirm there is enough of that specific size, rather than assuming an even three-way split. Sorting the pack into three separate containers by size at the outset also makes it easier to track usage as a project progresses.
Design uses
The mix of three graduated sizes in one dark, shimmery color makes this pack well suited to tapered necklace designs, chandelier-style earrings that use different sizes at different drop lengths, or bracelets that mix in smaller spacer beads between larger focal beads. Because every bead shares the same color and finish, pieces built entirely from this pack read as cohesive rather than mismatched, which is a genuine advantage over sourcing three separate single-size bags in slightly different finishes from different sellers. The rondelle shape also stacks neatly along a strand, which helps keep a graduated design looking deliberate rather than random.
Who it suits
This pack suits beaders planning a graduated or tapered design in a dark, dramatic color palette, and anyone who wants three coordinated sizes from a single purchase rather than buying them separately. It also fits anyone making evening or statement jewelry where a bold, shimmering dark bead reads well under event lighting. It is a weaker fit for anyone who needs a large quantity of just one size, since the total count is split three ways, or for anyone planning to display pieces primarily in dim or low-angle lighting where the AB shimmer will be harder to appreciate.
Frequently asked questions
What sizes are included in this pack?
The 600 beads are split across three sizes, 8mm, 6mm, and 4mm, all in the same black AB finish.
What does AB finish mean?
AB stands for Aurora Borealis, a coating that gives the beads an iridescent shimmer that shifts color depending on the light and angle.
Are the 600 beads split evenly across the three sizes?
Not necessarily. Mixed-size packs like this are commonly weighted toward the smaller size, so counting the pack before starting a design that relies heavily on one size is worthwhile.
What shape are these beads?
They are faceted rondelles, a flattened disc shape rather than a true round, which is common for crystal-style glass beads.
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