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Loose Diamonds
  • Tianyu Gems Round Brilliant Cut Loose Lab Diamond Stones for Jewelry Setting
  • Tianyu Gems Round Brilliant Cut Loose Lab Diamond Stones for Jewelry Setting
  • Tianyu Gems Round Brilliant Cut Loose Lab Diamond Stones for Jewelry Setting
  • Tianyu Gems Round Brilliant Cut Loose Lab Diamond Stones for Jewelry Setting
  • Tianyu Gems Round Brilliant Cut Loose Lab Diamond Stones for Jewelry Setting
  • Tianyu Gems Round Brilliant Cut Loose Lab Diamond Stones for Jewelry Setting
Tianyu Gems Round Brilliant Cut Loose Lab Diamond Stones for Jewelry Setting

Tianyu Gems Round Brilliant Cut Loose Lab Diamond Stones for Jewelry Setting

$50.99-$697.36/ Carat|1 Carat/Carats(Min. Order)
View product details

Tianyu Gems Round Brilliant Cut Loose Lab Diamond Stones for Jewelry Setting

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Quality Lab-Grown Diamonds: Lab-grown using advanced CVD and HPHT technologies, offering ethically sourced, cost-effective alternatives to mined diamonds.
  • Precision-Cut Accent Stones: Small 1–3mm round brilliant melee diamonds with IGI-certified VS1 clarity and Good/Very Good cut quality, ideal for pavé settings, jewelry accents, and intricate designs.

Key features

  • 1. Advanced Material Technology

    • With CVD/HPHT synthesis technology, achieve lab-grown diamonds with structural integrity and optical properties comparable to natural diamonds*.

  • 2. Certified Authenticity & Quality

    • With IGI certification, ensure authenticity and adherence to international standards for clarity, cut, and grading, providing unmatched transparency*.

  • 3. Superior Clarity & Cut Performance

    • With VS1 clarity and Very Good/Good cut grades, maximize brilliance and light refraction, outperforming lower-grade diamonds in sparkle and durability*.

  • 4. Precision for High-End Jewelry Applications

    • With uniform 1–3mm sizes and round brilliant cuts, seamlessly integrate into pavé settings, intricate designs, or luxury jewelry requiring consistent precision*.

  • 5. Ethical & Treatment-Free Integrity

    • With no enhancements (e.g., laser drilling), preserve the diamond’s natural beauty and ethical appeal, aligning with eco-conscious consumer preferences*.

Product details

Tianyu Gems Round Brilliant Cut Loose Lab Diamond Stones for Jewelry Setting

Tianyu China Labgrown Manufacturer offers premium small-size melee diamonds (1–3mm) certified by IGI, featuring VS1 clarity and precise round brilliant cuts. These lab-grown synthetic diamonds combine ethical sourcing with high-quality optical performance, ideal for intricate jewelry designs requiring uniformity and brilliance.

Technical specifications

FeatureSpecificationBenefit
Material QualitySynthetic lab-grown diamond, IGI-certifiedEthical, conflict-free, and guaranteed authenticity.
ClarityVS1Minimal inclusions, ensuring exceptional light transmission.
Cut QualityGood to Very GoodOptimized light performance for maximum sparkle.
EnhancementsLaser drilling or untreatedCustomizable to meet specific jewelry application needs.
Size3mm diameter (range: 1–3mm)Perfect for delicate settings in earrings, rings, or pavé designs.
ColorF (near-colorless)Neutral tone for versatile use in white or colored metal settings.

Customization guide

Adjustable parameters include:

  • Size: Tailor diameters between 1–3mm to fit precise jewelry designs.
  • Cut Quality: Opt for "Very Good" cuts for high-end pieces or "Good" cuts for cost-effective applications.
  • Enhancements: Choose laser-drilled diamonds for cost efficiency or untreated stones for premium, unaltered gems.

Get inspired

With Tianyu’s uniform, lab-grown melee diamonds, you can craft intricate jewelry pieces that demand precision and brilliance. Their VS1 clarity and IGI certification ensure reliability, while the F color grade offers unmatched versatility for both classic and modern designs.

Choose your model

ParameterBase Model (Good Cut)Advanced Model (Very Good Cut)Pro Model (Untreated, Very Good Cut)
Cut QualityGoodVery GoodVery Good
EnhancementsLaser-drilledNoneNone
Clarity ConsistencyVS1VS1VS1+
Light PerformanceStandard+15% enhanced+30% enhanced*

*Compared to industry benchmarks.

Supplier's note

  1. Technical Breakthroughs:

    • IGI Certification: Ensures traceability and compliance with global standards.
    • VS1 Clarity: Outperforms 60% of lab-grown melee diamonds in transparency.
    • Uniform 3mm Size: Reduces production waste in mass jewelry manufacturing.

  2. Version Selection Guide:

    • Base Model: Ideal for budget-conscious jewelers needing cost-effective melee stones with laser-drilled clarity enhancements.
    • Advanced Model: Preferred for mid-range designs requiring unenhanced diamonds with superior light reflection.
    • Pro Model: Targets luxury brands seeking untreated, premium melee diamonds for high-end collections. With its +30% enhanced light performance, it excels in pavé settings where brilliance is critical. Pair it with white gold or platinum for a seamless, radiant finish.

Frequently asked questions

  • Which lab-grown diamond model suits small jewelry settings like engagement rings?

  • How to clean small lab-grown melee diamonds to maintain brilliance?

  • Lab-grown vs natural diamonds: which is better for everyday jewelry?

  • Can Tianyu's 1-3mm melee diamonds be customized for unique jewelry pieces?

  • Is Tianyu's lab-grown diamond certified by a third-party lab?

  • What jewelry types use 1-3mm melee diamonds for accent stones?

  • How does the cut and clarity of Tianyu's 3mm diamonds affect sparkle?

  • What's the difference between CVD and HPHT in Tianyu's lab-grown diamonds?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Lab-Grown Diamonds (Tianyu Advanced)High-end jewelry, ethical luxuryIGI Certified VS1 Clarity ▲
Very Good Cut ▲
3mm Round Brilliant (ideal for small settings)
Laser-drilled clarity enhancement		Ethical sourcing, cost-effective vs natural diamonds
High durability (9 on Mohs scale)
Superior cut quality for brilliance		Perceived lower value compared to natural diamonds
Requires certification verification
Lab-Grown Diamonds (Tianyu Base)Affordable jewelry, everyday wearIGI Certified VS1 Clarity
Good Cut
3mm Round Brilliant
No enhancements		Budget-friendly
Same durability as natural diamonds (9 on Mohs scale)
Uniformity for mass production		Less sparkle due to "Good" cut ▼
Limited premium features like laser drilling
Natural DiamondsLuxury investment, heirloomsGIA Certified VS1+ Clarity
Excellent Cut
3mm Round Brilliant
No enhancements		Rarity and prestige
Long-term value retention
Excellent cut maximizes brilliance		Ethical concerns (mining)
Higher cost (2-3x lab-grown)
Less uniformity in small sizes
MoissaniteCost-effective luxury alternativesNear-colorless (F/G)
2.65 refractive index (sparklier than diamond)
Moissanite Alliance Certified
3mm Round		Affordable (½ price of diamonds)
Superior fire and brilliance
Forever One™ color stability		Not a "true" diamond
Lower hardness (9.25 on Mohs)
Less resale value
Cubic Zirconia (CZ)Costume jewelry, temporary wear5.5-6.5 Mohs hardness
Low cost (<$10/ct)
Available in vivid colors		Inexpensive
Color customization
Lightweight for sensitive ears		Poor durability (scratches easily)
Low refractive index (less sparkle)
Cloudy over time
Synthetic GemstonesDecorative applications, fashion accentsCustomizable colors (e.g., blue, pink)
Low cost (<$5/ct)
Polished facets for sparkle		Versatile color options
Mass-producible for jewelry lines
Lightweight		No intrinsic value
Low hardness (5-6 on Mohs)
Less optical brilliance

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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.