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Calibrated · Loose Ruby
Lab Grown Ruby Round Cabochon #5 | Red Round Cab Gemstone 4mm–14mm for Rings, Pendants, Earrings & Custom Jewelry
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- Shape
- Round
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Venetian Box-Link Chain in Sterling Silver with Spring Ring clasp
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14K Solid Gold FLEX Herringbone Chain – 2.8mm Wide, 18 Inch Flat Gold Chain, Real Gold Necklace for Women, Italian Herringbone Chain
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About these stones
PRODUCT DESCRIPTION
Lab Grown Ruby Round Cabochon #5 delivers vibrant red color and a classic polished appearance for fine jewelry and custom design projects. Available in calibrated sizes from 4mm to 14mm, these round cabochons are ideal for jewelers, artisans, and gemstone enthusiasts.
About This Piece
Featuring a smooth domed surface and rich ruby-red tone, Lab Grown Ruby Round Cabochon #5 is crafted for consistent quality and dependable sizing. The round cabochon cut showcases color depth beautifully, making it a popular choice for bezel settings, vintage-inspired jewelry, and contemporary creations alike. Whether you're creating a custom ring, pendant, earrings, or restoration project, these gemstones offer versatility and visual impact.
Key Details
• Stone/Material: Lab Grown Ruby #5
• Cut/Shape: Round Cabochon
• Color/Tone: Deep Ruby Red
• Clarity/Grade: Eye Clean
• Hardness: 9 Mohs
• Size/Weight: Available in 4mm–14mm
• Finish: Smooth High Polish
• Setting: Suitable for bezel, flush, and custom mountings
Why You'll Love It
• Uniform sizing for reliable jewelry production
• Durable gemstone suitable for everyday wear
• Traditional cabochon styling highlights color richness
• Excellent option for matching sets and coordinated designs
Perfect For
Great for handcrafted rings, pendants, earrings, signet jewelry, birthstone creations, jewelry repairs, and artisan collections. Complements yellow gold, white gold, platinum, sterling silver, and mixed-metal settings.
Quality Promise
Each Lab Grown Ruby Round Cabochon #5 is carefully inspected for polish, color consistency, and dimensional accuracy. Every stone is selected to meet professional jewelry-making standards before shipment.
Shop Info
• Processing time: 1–2 business days
• Shipping: Domestic and international options available
• Returns: Accepted within 30 days
How we grade
A: lighter colour, visible inclusions. Good for fashion pieces and practice settings.
AA: even colour, some inclusions you can see up close. Everyday jewelry.
AAA: rich colour, eye clean. Fine jewelry.
AAAA: the top colour we cut, eye clean. Statement and heirloom pieces.
Market Basics or Precision
Market Basics: good outlines; sizes and depths vary a little stone to stone. Best value for settings you adjust by hand.
Precision: even outlines and matched depths. Drops into pre-notched castings and lines up in rows and halos.



