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Atacado de 50 peças de zircônia cúbica branca com corte marquise

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CZDIA

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SKU: Bulk 50pcs white marquise cut cubic zirconia Categorias: Bulk Wholesale, Marquise Cut Tags: 4.0m≤ CZ ≤12.0mm, CZ ＞ 12.00mm, Marquise Cut, White Marca: CZDIA

Wholesale CZ

High-Volume Wholesalers & Enterprise Manufacturers

Planning to order over 1,000 pieces for large-scale cubic zirconia assembly or automated micro-pave production lines? Do not add to cart. Connect with our dedicated CZDIA Corporate Team directly to secure exclusive, unlisted tier pricing.

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Educação CZ

The Science of Brilliance: Understanding CZ Diamond

For decades, Cubic Zirconia (CZ) was misunderstood as a mere diamond imitative. At CZDIA, we redefine it through the lens of modern gemstone engineering. Cubic Zirconia is a laboratory-synthesized crystalline material (Zirconium Dioxide, $ZrO_2$). Unlike natural diamonds formed randomly in the earth with inclusions, CZ is grown under controlled thermal conditions exceeding 2,750°C (4,982°F). The result? A optically flawless crystal structure that possesses no internal blemishes, yielding a clarity that rivals the rarest D-Flawless natural diamonds.

Why We Call It "CZ Diamond": The Fire and the Flash

Many buyers ask what makes our top-grade cubic zirconia look indistinguishable from a mined diamond. The answer lies in physics:

The Dispersion (Fire): Dispersion is a gemstone’s ability to split white light into a rainbow of spectral colors. Natural diamond has a dispersion rating of 0.044. Premium CZ actually outperforms diamond with a dispersion of 0.060. This means under jewelry boutique lighting, a CZDIA stone flashes with a noticeably more vibrant, dancing “fire.”
The Refractive Index (Brilliance): This measures how sharply a gem bends light. While natural diamond sits at 2.42, our 5A-grade CZ achieves an incredibly close 2.15 – 2.18. To the naked eye, even under a jeweler’s loupe, the optical brilliance pattern is virtually identical.

Not All CZ is Created Equal

Commercial jewelry often uses 1A to 3A grade CZ, which is machine-tumbled in bulk, leading to rounded facets, blurry symmetry, and a "milky" appearance over time. CZDIA utilizes exclusively uncompromised 5A (AAAAA) Grade crystals. Each stone undergoes rigorous hand-polishing and facet alignment, ensuring the crisp, sharp edges required for automated luxury micro-pave and heritage-level settings.

8.5 on the Mohs Scale

On the Mohs scale of mineral hardness, a natural diamond is a 10, and a ruby/sapphire is a 9. CZDIA premium stones register at a solid 8.5. This exceptional hardness ensures that your jewelry resists scratching, maintains its razor-sharp facet lines, and will not become dull or cloudy with daily wear.

100% Conflict-Free Luxury

Beyond the flawless optical performance, CZDIA stones carry zero environmental or ethical footprint. Lab-grown under strict humanitarian and ecological standards, our stones offer a conscious, sustainable alternative to traditional mining without compromising a fraction of the optical luxury.

Gemstones Optical Profile Comparison

Optical Property	Natural Diamond	CZDIA 5A Cubic Zirconia	Standard Commercial CZ
Clarity Grade	Varies (Inclusions Common)	Flawless (Internally Perfect)	Cloudy / Milky Over Time
Dispersion / Fire	0.044	0.060 (Higher Rainbow Flash)	0.055 (Blurred Dispersion)
Refractive Index	2.42	2.15 - 2.18 (Identical Brilliance)	2.10 (Dull Refraction)
Mohs Hardness	10.0	8.5 (Highly Scratch-Resistant)	8.0 or Lower (Easily Scratched)
Cutting Precision	Excellent (High Cost)	Master Hearts & Arrows (±0.01mm)	Tumbled Bulk (Rounded Edges)

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CZ FAQ

Is "CZ Diamond" a real diamond or a distinct gemstone?

"CZ Diamond" is a premium trade definition for laboratory-synthesized Cubic Zirconia (ZrO₂) cut to exact diamond-grading optical standards. While it is chemically different from a carbon-based mined diamond, it is optically so close that it fools even professional jeweler's loops. Our 5A CZ has a dispersion (fire) rating of 0.060, which is actually higher than a natural diamond's 0.044, giving it an even more vibrant rainbow flash.

Are CZDIA loose stones calibrated for automated mechanical prong setting?

Yes. Unlike generic bulk gems with irregular sizes, all CZDIA production batches go through strict multi-stage mechanical and optical dimension grading. We control size tolerances within an industrial-level $\pm0.01\text{mm}$ to ± $\pm0.02\text{mm}$ matrix. This strict calibration guarantees that whether you are hand-setting a custom piece or running high-volume automated CNC micro-pave casting lines, our stones will fit your mounts flawlessly without cracking or jamming.

What is the difference between a CZDIA 5A stone and a standard Cubic Zirconia?

Most commercial jewelry utilizes low-grade (1A to 3A) Cubic Zirconia, which is mass-tumbled, resulting in rounded facet edges, structural micro-cloudiness, and a dull look over time. CZDIA uses strictly uncompromised 5A (AAAAA) Grade raw crystals. Each stone is individually hand-polished by master lapidaries under optical instruments. This ensures razor-sharp facets and flawless optical clarity that perfectly mimics the exact brilliance pattern of a D-flawless mined diamond.

Can CZDIA stones withstand the heat of jewelry manufacturing and wax setting?

Absolutely. Because we supply international premium heritage brands, all CZDIA stones are engineered to endure high-temperature industrial casting. They possess exceptional thermal shock resistance and can easily withstand standard wax setting (casting-in-place) temperatures exceeding 750°C without burning, changing color, or losing their brilliant luster.

Can CZDIA stones withstand the heat of jewelry manufacturing and wax setting?

Will your Cubic Zirconia stones turn cloudy, yellow, or lose their shine?

No, CZDIA stones are guaranteed not to fade, yellow, or turn cloudy under normal wear. Low-grade CZ absorbs microscopic oils and lacks thermal stability, causing it to go dull. Our 5A-grade stones feature a highly stabilized atomic matrix with a high hardness rating of 8.5 on the Mohs scale. They block oil absorption and remain crystal clear. If they ever appear less shiny due to daily cosmetics or lotion buildup, a simple wash with warm soapy water and a soft brush will instantly restore their original fire.

How do I choose between Round Cut and Fancy Cuts (Cushion, Heart, Princess)?

It depends entirely on your design intent. Round Cuts feature the classic 57-facet Hearts & Arrows geometry, offering the highest white-light reflection (brilliance). Fancy Cuts (like Princess, Emerald, or Heart shape) offer unique, avant-garde silhouettes for modern designer statements. At CZDIA, our Fancy Cuts carry a premium craftsmanship fee due to the significantly higher raw material clipping loss and complex manual symmetry needed to match our rigid $\pm0.02\text{mm}$ setting tolerance.

Guia de cuidados

CZDIA Master Care & Maintenance Guide

Our uncompromised 5A-grade Cubic Zirconia is engineered to exhibit lifelong D-Flawless brilliance, boasting a rigid hardness of 8.5 on the Mohs scale. While highly resistant to scratching, heat, and structural clouding, proper maintenance ensures your loose gems and custom fine jewelry continually flash with their original, showroom-level fire.

Caring for Loose Stones & Bench Work
Maintaining Finished Cubic Zirconia Jewelry

For independent jewelry designers, bench jewelers, and factory manufacturers.

Storage and Friction Defense: Always store loose stones in individual compartments, vacuum-sealed bags, or dedicated gemstone trays with padding. Although a Mohs 8.5 rating guards against daily wear, storing stones loose in a single bag can cause stone-on-stone friction, potentially chipping sharp facet edges.
Bench Cleaning Post-Setting: After hand-setting or automated micro-pave casting, stones can collect fingerprints, wax residue, or polishing compounds. Clean the set mounts using an ultrasonic cleaner or steam machine. CZDIA 5A stones possess exceptional thermal stability and are 100% safe for professional ultrasonic and jewelry steam cleaning systems.
Chemical Exposure during Assembly: Our stones feature a highly stabilized atomic matrix that will not react with typical jewelry manufacturing acids, pickles, or pickling solutions. However, avoid exposing the gems to hydrofluoric acid, which can etch the crystalline surface.

For fine jewelry collectors and bespoke custom wearers (925 Silver, 10K/14K/18K Gold).

The Golden Rule of Fine Jewelry: Always put your jewelry on last when getting ready. Avoid direct contact with hairsprays, heavy perfumes, body lotions, and cosmetics. These substances do not damage the CZDIA stone permanently, but they form a microscopic film over the facets, temporarily blocking light refraction and dampening the stone's natural rainbow fire.
The Easy Home-Spa Cleaning Ritual: If your custom ring or pendant begins to look slightly dull from daily wear, do not use harsh abrasive chemical cleaners. Simply submerge the piece in a bowl of warm water mixed with a few drops of mild, lotion-free dish soap for 5 to 10 minutes. Use a brand-new, ultra-soft bristle toothbrush to gently brush beneath the prongs and pavilion where oils accumulate. Rinse thoroughly under warm running water and pat dry with a lint-free microfiber cloth.
Safe Storage Practices: When not showcasing your masterpiece, place it inside a fabric-lined jewelry box or a soft velvet pouch. Keep it segregated from harder gems like natural diamonds or sapphires to prevent accidental scratches to your gold or silver mounts.

Atacado de 50 peças de zircônia cúbica branca com corte marquise

High-Volume Wholesalers & Enterprise Manufacturers

Custom Cubic Zirconia Jewelry

The Science of Brilliance: Understanding CZ Diamond