Frequently asked questions

• Is cubic zirconia a natural gemstone or a synthetic material?

  Cubic zirconia (CZ) is a fully synthetic crystalline material — zirconium dioxide (ZrO2) stabilized with yttria or calcia, grown in a cubic crystal structure. It does not occur in usable form in nature; all CZ beads on the market are lab-produced, primarily in China and Russia. In the bead trade, CZ is valued for its high refractive index, hardness (Mohs 8.5), and consistent color, which is why it shows up so often as a faceted accent next to natural stones. Treatment terminology like 'stabilized' or 'dyed' doesn't apply here — the material itself is engineered.
• How is CZ different from diamond, moissanite, and white sapphire?

  All four are clear, hard, and faceted in similar ways, but they're distinct materials. Diamond (Mohs 10) is pure carbon. Moissanite (Mohs 9.25) is silicon carbide with higher dispersion than diamond. White sapphire (Mohs 9) is corundum — single-refractive and less fiery. CZ (Mohs 8.5) is zirconium dioxide, with very high dispersion that reads as strong rainbow flash. In small faceted bead sizes, CZ is the most common stand-in because it cuts cleanly and stays affordable. For customer-facing copy, disclose CZ as synthetic or simulant — never as diamond.
• What jewelry projects is CZ best suited for?

  CZ shines as accent and spacer material. The 2mm and 3mm faceted rounds and rondelles that dominate this collection are designed to sit between larger natural-stone focals, adding sparkle without competing for attention. Microfaceted CZ rondelles work well as separators in multi-strand bracelets, as transition beads next to metal findings, or as a brilliant contrast against matte stones like turquoise, lapis, or onyx. Larger sizes (6–7mm) read as standalone focals in delicate chain or stretch designs. CZ also pairs cleanly with sterling, gold-fill, and vermeil findings.
• How should finished jewelry with CZ beads be cared for?

  At Mohs 8.5, CZ is among the more durable bead materials and handles daily wear well, including in rings and bracelets where softer stones would abrade. Clean with mild soap, warm water, and a soft cloth or brush; ultrasonic cleaning is generally safe for CZ itself, though it may not be safe for adjacent stones or stringing materials in the same piece. Avoid prolonged exposure to harsh chemicals, chlorinated water, and abrasive polishing compounds, which can dull surface luster over time. Store separately from softer stones to prevent scratching them.
• Are colored CZ beads dyed, or is the color part of the material?

  Colored CZ is produced by adding metal oxides during the growth process — cerium for yellow and orange, erbium for pink, chromium for green, and so on. The color is integral to the crystal, not a surface dye or coating, so it won't fade with normal wear, light exposure, or cleaning. This makes CZ a reliable choice when a project calls for consistent, repeatable color across multiple strands or production runs. Specific color and finish details should be disclosed — ask before buying if a particular hue or coating isn't specified.