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CVD Taper Shape Lab Grown Loose Diamond for Jewelry Making

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US$ 130 - 530 MOQ: 1 Carat
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Material:
Artificial Diamonds
Type:
Ring
Certification:
IGI
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Foshan Beston Trade Co., Ltd.
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guangzhou
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Material Artificial Diamonds
Type Ring
Certification IGI
Shape Oval
Color Transparent
Usage Decoration
Diamond Cut Good Cut
Diamond Clarity VVS
Diamond Color D
Transport Package DHL
Origin CHINA

Premium IGI Certified Lab-Grown Diamonds: 1.00ct – 3.00ct | D Color | VS1 Clarity | Fancy Shapes (CVD & HPHT)

Executive Summary: The Pinnacle of Modern Gemology

Step into the future of luxury fine jewelry with our exclusive collection of IGI Certified Loose Lab-Grown Diamonds. Curated specifically for high-end bespoke designers, luxury jewelry retailers, and wholesale investors, this collection represents the absolute zenith of diamond creation. Ranging from a classic 1.00 carat to a breathtaking 3.00 carats, each stone in this portfolio is guaranteed to possess the highly coveted D Color (completely colorless) and VS1 Clarity (eye-clean perfection).

Unlike mass-market commercial diamonds, our inventory focuses entirely on Fancy Shapes—including Oval, Emerald, Radiant, Pear, Cushion, and Princess cuts. Forged through the world’s most advanced HPHT (High Pressure High Temperature) and CVD (Chemical Vapor Deposition) technologies, these diamonds are physically, chemically, and optically identical to the rarest earth-mined diamonds. Every single stone is independently graded and certified by the International Gemological Institute (IGI), ensuring transparent, uncompromising quality. Whether you are crafting a museum-quality engagement ring, a high-fashion statement pendant, or sourcing premium inventory for your retail boutique, these diamonds deliver unparalleled brilliance, guaranteed ethical origins, and extraordinary value.

Product Specifications at a Glance

For our B2B partners and professional jewelers who require immediate technical data, here is the comprehensive specification breakdown for this premium diamond collection:

Feature Specification Details
Product Type Loose Lab-Grown Diamond (Synthetic/Cultured)
Certification IGI (International Gemological Institute) - Full Certificate Included
Carat Weights Available 1.00ct, 1.50ct, 2.00ct, 3.00ct (Exact weights vary slightly per stone)
Color Grade D (Absolutely Colorless - The highest possible grade)
Clarity Grade VS1 (Very Slightly Included 1 - 100% Eye-Clean)
Cut Quality Excellent / Ideal (Proportions optimized for maximum light return)
Polish & Symmetry Excellent to Very Good
Available Shapes (Fancy) Oval, Emerald, Radiant, Pear, Cushion, Princess, Marquise, Asscher
Growth Technology CVD (Chemical Vapor Deposition) or HPHT (High Pressure High Temp)
Diamond Type Type IIa (The purest diamond crystal, completely devoid of nitrogen)
Security Feature Micro-laser inscribed IGI report number on the diamond girdle

The IGI Certification Advantage: Unquestionable Trust

In the world of lab-grown diamonds, independent verification is non-negotiable. While some suppliers self-certify their stones, every diamond in this specific collection is accompanied by a full grading report from the International Gemological Institute (IGI).

Why IGI is the Gold Standard for Lab-Grown Diamonds

IGI was the pioneer in grading lab-grown diamonds, issuing the first synthetic diamond reports over a decade ago. Today, they are globally recognized as the foremost authority on lab-grown gemology.

  • Strict Grading Standards: IGI utilizes the exact same rigorous scientific parameters to grade lab-grown diamonds as they do for natural diamonds. Their gemologists evaluate the 4Cs under strict, standardized lighting and magnification conditions.

  • Laser Inscription: Every diamond we supply features a microscopic laser inscription on its girdle. This inscription includes the phrase "LAB GROWN" alongside the unique IGI report number. This ensures absolute traceability and protects your reputation as a retailer or designer.

  • Digital Verification: The physical certificate provided with your diamond features a QR code and a unique report number. You or your client can instantly verify the stone's credentials by entering the number into IGI’s global online database.

  • Full Transparency: The IGI report explicitly states the growth method (CVD or HPHT) and confirms whether the diamond is Type IIa, providing complete transparency into the stone's origin and structural purity.

Mastering the Grades: Why D Color and VS1 Clarity?

We have intentionally curated this collection to feature only D Color and VS1 Clarity. In the diamond industry, this specific combination is widely considered the "sweet spot" for high-end luxury, offering visual perfection without the exponential price premiums of Flawless (FL) or Internally Flawless (IF) grades.

The Rarity of D Color: Absolutely Colorless

The Gemological Institute of America (GIA) color scale begins at D and ends at Z. D is the absolute highest color grade a diamond can achieve. * The Visual Impact: A D-color diamond is completely devoid of any yellow, brown, or gray tint. It is the purest "ice white." When light enters a D-color diamond, it is not absorbed by trace elements; instead, it is refracted and dispersed into a blinding display of spectral fire.

  • Setting Versatility: D-color diamonds are incredibly versatile for bench jewelers. Set them in platinum or 18K white gold, and they blend seamlessly into a continuous landscape of white brilliance. Set them in 18K yellow or rose gold, and the stark contrast between the icy white diamond and the warm metal creates a breathtaking, dramatic aesthetic.

  • Type IIa Purity: Almost all D-color lab-grown diamonds are Type IIa. In nature, less than 2% of mined diamonds are Type IIa (famous examples include the Cullinan and the Koh-i-Noor). They contain zero measurable nitrogen, which is what gives lower-grade diamonds their yellowish tint.

The Pragmatism of VS1 Clarity: 100% Eye-Clean Perfection

Clarity measures the presence of internal characteristics (inclusions) and external characteristics (blemishes). VS1 stands for Very Slightly Included 1.

  • What Does VS1 Mean? Under 10x magnification (a standard jeweler's loupe), a trained gemologist can only spot minor inclusions after careful searching. These inclusions are typically microscopic pinpoint crystals or tiny clouds that do not impact the diamond's structural integrity or light performance.

  • The "Eye-Clean" Guarantee: To the naked eye, a VS1 diamond is absolutely flawless. You cannot see the inclusions without magnification.

  • The Investment Logic: While VVS (Very Very Slightly Included) and IF (Internally Flawless) diamonds are technically purer, the difference between VS1 and IF cannot be seen by the naked human eye. By choosing VS1, you are securing a visually perfect diamond while allocating your budget toward a larger carat weight or a more premium cut.

  • Crucial for Step Cuts: VS1 is particularly vital for shapes like the Emerald and Asscher cuts. Because these step-cut diamonds feature large, open tables (like looking into a clear pool of water), they do not hide inclusions well. A VS1 clarity grade guarantees that these elegant shapes remain pristine and glassy.

Carat Weight Strategy: From 1.00ct to 3.00ct

Whether you are designing a delicate, understated piece or a massive, red-carpet-worthy statement ring, our precise carat weight intervals provide the perfect canvas for your artistry.

1.00 Carat: The Classic Standard

The 1.00-carat diamond is the traditional benchmark for engagement rings worldwide. It offers substantial surface area and prominent finger coverage without feeling overly ostentatious. In fancy shapes like the Oval or Pear, a 1-carat stone often appears larger than a 1-carat round brilliant due to its elongated geometry. It is the perfect size for timeless solitaire settings or delicate diamond halos.

1.50 Carat: The Modern Favorite

Over the last decade, the 1.50-carat mark has become the new highly requested standard for modern brides. It provides a noticeable jump in visual size from the 1.00-carat, offering a distinctly luxurious feel. A 1.50ct Radiant or Cushion cut possesses immense presence on the hand and serves as a magnificent centerpiece for three-stone rings (flanked by tapered baguettes or trillion cuts).

2.00 Carat: The Statement Maker

Crossing the 2.00-carat threshold enters the territory of true luxury. Diamonds of this size are commanding and draw immediate attention across a room. A 2.00ct D-color diamond is a serious piece of fine jewelry. It is large enough to showcase the intricate faceting patterns of complex cuts (like the "crushed ice" look of a Radiant cut) perfectly. For custom jewelers, 2-carat stones are highly profitable centerpieces that elevate the entire value of a bespoke commission.

3.00 Carat: The Heirloom Masterpiece

A 3.00-carat D-color diamond is an extraordinary marvel of gemological science. In the mined diamond world, a stone of this size and quality would cost hundreds of thousands of dollars and be locked in a vault. Our lab-grown 3.00ct stones offer unparalleled, celebrity-tier glamour at an accessible luxury price point. A 3-carat Emerald cut or Oval cut offers massive finger coverage, transforming a simple platinum band into an heirloom-quality masterpiece.

The Gallery of Fancy Shapes: Architectural Brilliance

While the Round Brilliant is classic, Fancy Shapes represent the ultimate expression of personal style. Our D/VS1 collection specializes in these highly sought-after silhouettes. Every shape handles light differently, requiring masterful cutting techniques to unlock its full potential.

1. The Oval Cut

  • The Vibe: Elegant, finger-elongating, and highly trending.

  • The Optics: The Oval cut is a modified brilliant cut. It possesses the intense sparkle of a round diamond but stretches it into a flattering, elongated silhouette. Because of its larger surface area (table), an Oval diamond often looks physically larger than a Round diamond of the exact same carat weight.

  • Our Standard: We select Ovals with ideal length-to-width ratios (typically between 1.35 and 1.50) to ensure they are neither too wide nor too narrow. We also strictly vet for the "bow-tie effect"—a dark shadow that can appear across the center of poorly cut elongated stones. Our Ovals feature brilliant, even light distribution from tip to tip.

2. The Emerald Cut

  • The Vibe: Vintage, sophisticated, and architectural (Art Deco).

  • The Optics: Unlike brilliant cuts that maximize sparkle, the Emerald cut is a "step cut." It features long, linear facets arranged in parallel lines down the pavilion, resembling a descending staircase. Instead of fiery sparkle, the Emerald cut produces a "hall of mirrors" effect—broad, dramatic flashes of white light.

  • Our Standard: Because the Emerald cut’s large, open table acts like a window into the soul of the stone, high clarity is mandatory. Our VS1 standard ensures that no dark spots interrupt the icy, glassy depths of the diamond. We look for perfectly beveled corners to ensure secure prong setting.

3. The Radiant Cut

  • The Vibe: Bold, modern, and intensely sparkly.

  • The Optics: The Radiant cut is a spectacular hybrid. It combines the cropped-corner, rectangular silhouette of the Emerald cut with the complex, fiery faceting of the Round Brilliant. The result is a stone that often exhibits a mesmerizing "crushed ice" appearance.

  • Our Standard: The Radiant cut is famous for hiding inclusions well, meaning a VS1 Radiant will look utterly flawless. Furthermore, Radiant cuts retain more carat weight in their depth, giving them a very solid, substantial feel. Our Radiants are cut to maximize edge-to-edge fire.

4. The Pear Cut (Teardrop)

  • The Vibe: Romantic, unique, and asymmetrical.

  • The Optics: The Pear cut merges the Round Brilliant and the Marquise. It features a rounded bottom that tapers into a single, distinct point. This shape is incredibly flattering on the hand (when worn with the point facing the fingernails) and is also highly popular for dramatic pendant necklaces and drop earrings.

  • Our Standard: Symmetry is everything for a Pear cut. If the point does not align perfectly with the apex of the rounded end, the stone looks crooked. We only source Pear cuts with Excellent/Very Good symmetry, ensuring the shoulders curve gracefully and evenly.

5. The Cushion Cut

  • The Vibe: Antique romance meets modern brilliance.

  • The Optics: The Cushion cut (formerly known as the Old Mine cut) features a square or rectangular shape with softly rounded corners, resembling a pillow. It is known for its incredible fire (dispersion of rainbow light). There are two main styles: the "Chunky" antique style with broader flashes, and the "Crushed Ice" modern style with millions of tiny sparkles.

  • Our Standard: A D-color Cushion cut is a sight to behold. Because Cushions can sometimes retain color in their corners, having a strict D-color grade ensures the stone remains icy white throughout its entire volume.

6. The Princess Cut

  • The Vibe: Sharp, contemporary, and geometric.

  • The Optics: The Princess cut is a square modified brilliant. It features sharp, uncut corners and an intricate chevron faceting pattern on the pavilion. It is one of the most brilliant of all the fancy shapes, delivering sharp, aggressive flashes of light.

  • Our Standard: Our Princess cuts feature ideal face-up squares (a length-to-width ratio of 1.00 to 1.05). We ensure the corners are structurally sound and recommend V-prong settings for bench jewelers working with this shape.

The Science of Creation: CVD vs. HPHT

Our D/VS1 collection encompasses diamonds grown using both of the world’s leading laboratory processes. Both methods produce genuine diamonds, but they mimic different natural phenomena.

HPHT (High Pressure High Temperature)

  • The Process: HPHT replicates the extreme, violent conditions deep within the Earth's mantle. A small diamond seed is placed in a pure carbon environment within a massive BARS or cubic press. The chamber is subjected to over 1.5 million pounds of pressure per square inch and heated to over 1,400°C. The carbon melts and crystallizes over the seed, growing a rough diamond.

  • The Result: HPHT is highly effective at producing Type IIa diamonds with flawless D color. The crystal lattice is tightly bound and incredibly dense, resulting in a crisp, sharp sparkle.

CVD (Chemical Vapor Deposition)

  • The Process: CVD replicates the way diamonds form in interstellar gas clouds. A diamond seed is placed in a sealed vacuum chamber filled with carbon-rich gases (like methane). Microwave energy is used to turn the gas into a superheated plasma. The atomic bonds of the gas break down, and pure carbon atoms rain down onto the seed, slowly building the diamond layer by atomic layer.

  • The Result: CVD technology allows for immense control over the growth environment. While early CVD stones sometimes had brownish tints, modern, high-tech CVD processes produce stunning, icy-white D-color stones.

Note: The specific growth method (CVD or HPHT) of your diamond will be explicitly stated on the accompanying IGI grading report.

The Value Proposition: Why Choose Lab-Grown?

The shift toward lab-grown diamonds is not just a trend; it is a permanent evolution in fine jewelry. For B2B buyers, jewelry designers, and consumers, the benefits are undeniable.

1. Identical Physical Properties

Let us be absolutely clear: lab-grown diamonds are real diamonds. They rate a perfect 10 on the Mohs scale of hardness. They have a refractive index of 2.42. They share the exact same thermal conductivity, crystal structure, and optical properties as mined diamonds. They will test as diamonds on any standard diamond tester. The only difference is their origin.

2. Unrivaled Cost-to-Value Ratio

Mined diamonds carry a heavy premium due to the massive corporate infrastructure, heavy machinery, and environmental disruption required to extract them from the earth. Lab-grown diamonds bypass this entirely.

By choosing a lab-grown D/VS1 diamond, you are saving anywhere from 60% to 80% compared to a mined diamond of the exact same 4Cs. This allows consumers to purchase a massive 2.00ct or 3.00ct centerpiece instead of a 1.00ct stone. For jewelry retailers, it allows for significantly higher profit margins and faster inventory turnover.

3. Ethical and Sustainable Purity

Modern consumers—particularly Millennials and Gen Z—demand transparency. Mined diamonds carry a complex history of environmental degradation, massive carbon footprints, and geopolitical conflict. Our lab-grown diamonds are 100% conflict-free. They are grown in clean, high-tech laboratory environments, significantly reducing the ecological impact on the planet. Offering lab-grown diamonds aligns your brand with sustainability and ethical luxury.

Care, Handling, and Bench Jeweler Guide

Because these are genuine diamonds, they do not require any specialized care distinct from mined diamonds. They are built to last a lifetime.

  • For the Consumer: Clean your diamond regularly using warm water, mild dish soap, and a soft-bristled toothbrush to remove everyday oils and lotions. They are perfectly safe in standard ultrasonic cleaners and jewelry steam cleaners.

  • For the Bench Jeweler: Our lab-grown diamonds can handle the exact same rigors of the jeweler’s bench as natural stones. They will withstand the intense heat of a jeweler's torch during soldering, sizing, or retipping. They can be safely exposed to standard pickling solutions and polishing compounds.

  • Setting Considerations: For shapes with sharp points (like the Pear or Marquise) or sharp corners (like the Princess cut), we highly recommend using V-prongs to protect the tips from daily wear and tear. For step cuts like the Emerald, ensure the bezel or prongs are perfectly flush to avoid putting undue pressure on the stone's corners.

Frequently Asked Questions (FAQ)

Q: Will a lab-grown diamond fade, cloud, or change color over time?

A: Absolutely not. Unlike cubic zirconia (CZ) or cheap glass simulants that absorb oils and become cloudy, a lab-grown diamond is solid crystallized carbon. Its brilliance and D-color purity are permanently locked into its atomic structure. It will look exactly the same in 100 years as it does today.

Q: How can a jeweler tell it is lab-grown?

A: A jeweler cannot tell the difference using a standard magnifying loupe or a basic diamond tester (it will test positive as a diamond). The only ways to identify it are by reading the microscopic laser inscription on the girdle ("LAB GROWN") or by sending it to a major gemological laboratory (like IGI or GIA) to be tested with highly advanced spectroscopic equipment that analyzes the crystal growth patterns.

Q: Does the diamond come with a physical certificate?

A: Yes. Every loose diamond is shipped securely with its original, physical IGI grading report, detailing its exact carat weight, color, clarity, cut, polish, symmetry, and growth method.

Q: Do these diamonds hold their value?

A: Lab-grown diamonds are priced based on the cost of technology and production rather than artificial scarcity. While they are not considered a traditional "financial investment" meant for resale (much like mined diamonds, which also suffer massive depreciation at retail resale), their value lies in the thousands of dollars saved at the point of purchase, allowing you to invest that capital elsewhere while still enjoying a world-class gemstone.

Elevate Your Collection Today

The definition of luxury has evolved. It is no longer about how much a stone costs to extract from the earth, but rather the flawless beauty, the monumental size, and the ethical purity it represents. Our 1.00ct - 3.00ct D/VS1 IGI Certified Fancy Shape Diamonds provide the ultimate canvas for your most ambitious jewelry designs.

Experience the breathtaking fire of Type IIa carbon. Delight your clients with unmatched size and brilliance, and secure your place at the forefront of the modern fine jewelry movement.


Product Tags: Lab Grown Diamond , Loose Diamond , Loose Diamond Wholesale

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