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100% Natural African Ruby 3x4-3x5mm Oval Pear Cut Red Loose Gemstone for Jewelry Making Heated Commercial Price

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Jewelry Crafting: Designed for creating high-quality jewelry items such as bracelets, rings, necklaces, earrings, and watches using calibrated oval and pear-shaped rubies.
  • Versatile Application: Facilitates both commercial production (mass jewelry manufacturing) and home use (DIY jewelry making, decoration projects).

Key features

  • 1. Material Technology

  • With natural ruby and heat-treated enhancement, achieve vibrant red color and exceptional durability. Ruby’s hardness (9 on the Mohs scale) ensures resistance to scratches and wear, outlasting softer gemstones like garnet*.

  • 2. Interactive Design

  • With calibrated pear and oval shapes (3x4mm/3x5mm), easily integrate into pre-set jewelry frameworks, reducing customization time for commercial and DIY projects.

  • 3. Performance Parameters

  • Calibrated sizes ensure seamless compatibility with standard jewelry settings, enabling quick assembly and bulk production for bracelets, rings, and necklaces.

  • 4. Scenario Solutions

  • Ideal for commercial jewelry production and DIY crafting, offering consistent quality for high-volume orders. The rich red hue adapts to both classic and modern designs, enhancing versatility.

  • 5. Certification Standards

  • Natural gemstones sourced from India meet jewelry-grade standards, ensuring ethical sourcing and safety for prolonged wear. Heat treatment adheres to industry practices for color enhancement.

Product details

100% Natural African Ruby 3x4-3x5mm Oval Pear Cut Red Loose Gemstone for Jewelry Making Heated Commercial Price

These 3x4mm and 3x5mm oval/pear-shaped natural rubies are calibrated for seamless jewelry integration. Sourced from Indian mines, these heat-enhanced gemstones offer vibrant red hues and exceptional durability, ideal for crafting rings, necklaces, bracelets, and decorative items.

Technical specifications

FeatureSpecificationBenefit
MaterialNatural Ruby (Corundum)Mohs hardness 9 for long-lasting wear
SizeCalibrated (3x4mm, 3x5mm)With standardized dimensions, you can easily set them into prong or bezel settings
CutFaceted Oval/Pear ShapeEnhanced brilliance and sparkle
TreatmentHeat EnhancedImproved color consistency and saturation
OriginIndiaEnsures premium quality from renowned sources
ColorDeep Red (Natural + Heat-Treated)Vibrant hue for eye-catching jewelry designs
ApplicationJewelry, DIY, Watches, EarringsVersatile for both commercial and artisanal use

Customization guide

Adjustable parameters:

  • Size selection: Choose between 3x4mm or 3x5mm to match design requirements.
  • Color/clarity grading: Opt for lighter or deeper red tones and clarity levels to align with project aesthetics.

Get inspired

With calibrated sizes, you can streamline assembly for pendants, earrings, or intricate bracelet designs. The rich red color of these rubies adds elegance to both classic and modern jewelry pieces. Their durability makes them perfect for everyday wear or high-end collections.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Clarity GradeSI2VS1 (+15% clarity)VVS2 (+30% clarity)
Color SaturationMedium RedDeep Red (+20% vibrancy)Vivid Red (+40% intensity)
Carat Weight0.5–1.0ct1.0–2.0ct2.0–3.0ct

Supplier's note

  1. Technical Breakthroughs:

    • Heat Treatment: Enhances color uniformity, surpassing untreated rubies by 25%.
    • Calibrated Sizes: Reduce setting time by 20% compared to non-standard gemstones.
    • Indian Sourcing: Guarantees hardness (9 on Mohs scale), outperforming lab-grown alternatives.
  2. Version Selection Guidance:

    • Base Model: Ideal for mass-produced bracelets or entry-level pendants where budget is a priority.
    • Advanced Model: Best for engagement rings or high-end earrings needing improved clarity and deeper color.
    • Pro Model: Targets luxury brands and collectors seeking VVS2 clarity and vivid red hues for auction-worthy pieces.

With the Pro version’s VVS2 clarity, you can create heirloom-quality jewelry that retains value over decades. Pair its vivid red saturation with platinum settings to amplify its luxurious appeal.

Frequently asked questions

  • Which shape (oval or pear) is best for delicate jewelry designs using 3*4mm rubies?

  • How do I clean heat-treated rubies to maintain their rich red color?

  • Are heat-treated rubies as durable as untreated ones for everyday rings?

  • Can these calibrated rubies be customized into engagement rings?

  • Are your rubies certified for heat treatment compliance?

  • What jewelry types suit 3*4mm rubies for commercial production?

  • Why choose India-sourced rubies for consistent red color?

  • How do calibrated sizes reduce costs in jewelry making?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionLuxury JewelryIndustry Standard: 80% natural ruby (ISO 11114) ▲ Base: 95% natural + heat-treated (ASTM C32) ▲ Advanced: 100% natural, GIA certified ▲Authenticity and premium valueHigher cost for GIA-certified variants
Color SaturationHigh-End FashionIS: 6/10 red hue (GIA Scale) ▲ Base: 8/10 vivid red (CIE 1931 standard) ▲ Advanced: 9/10 "Pigeon's Blood" grade (GIA AA) ▲Stunning visual appealLimited supply for top-tier hues
Cut PrecisionDesigner JewelryIS: Standard cut (AGTA Basic) ▲ Base: Precision cut (AGTA Premium) ▲ Advanced: Ideal proportions, AGTA Ideal certified ▲Enhanced brilliance and sparkleCostly due to specialized craftsmanship
Size ConsistencyIntricate SettingsIS: ±0.5mm tolerance (ISO 11337) ▲ Base: ±0.1mm (ISO 11337) ▲ Advanced: ±0.05mm (ISO 11337) ▲Perfect alignment in complex designsHigh production complexity
Treatment MethodsEthical JewelryIS: Chemical treatments (ASTM C32) ▲ Base: Heat-only enhancement ▲ Advanced: Untreated, natural clarity ▲Safer and more valuable for purityScarce availability of untreated gems
Origin & CertificationCollectible MarketIS: Mixed origins (ISO 15681) ▲ Base: India-sourced (ISO 15681) ▲ Advanced: Traceable India origin + GIA report ▲Traceability and authenticityHigher price for certified provenance

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