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Calibrated · Loose Ruby
Lab Grown Ruby Heart Cab Flat Back #5 | Red Heart Cabochon 8mm–12mm for Rings, Pendants, Inlay & Custom Jewelry
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- Shape
- Heart
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About these stones
PRODUCT DESCRIPTION
Lab Grown Ruby Heart Cab Flat Back #5 showcases a vibrant red hue in a romantic heart shape designed for jewelry artists and custom makers. Available in sizes from 8mm to 12mm, these flat-back cabochons are ideal for bezel settings, inlay work, and personalized jewelry projects.
About This Piece
Crafted to deliver bold color and clean proportions, Lab Grown Ruby Heart Cab Flat Back #5 features a polished domed top with a flat base for easy setting. The classic heart silhouette symbolizes love and affection, making it a popular choice for meaningful jewelry designs. Its smooth finish highlights the gemstone's rich red tone while providing versatility for a wide range of creative applications. Suitable for both contemporary and traditional styles, these cabochons bring a distinctive focal point to custom jewelry.
Key Details
• Stone/Material: Lab Grown Ruby #5
• Cut/Shape: Heart Cabochon Flat Back
• Color/Tone: Deep Ruby Red
• Clarity/Grade: Eye Clean
• Hardness: 9 Mohs
• Size/Weight: Available in 8mm, 10mm, and 12mm
• Finish: High Polish Dome with Flat Base
• Setting: Suitable for bezel, glue-in, inlay, and custom mountings
Why You'll Love It
• Heart shape adds symbolic meaning to custom creations
• Flat-back design simplifies jewelry setting and assembly
• Rich red color creates a striking visual centerpiece
• Durable gemstone suitable for long-lasting jewelry designs
Perfect For
Ideal for romantic jewelry, anniversary gifts, Valentine's Day creations, custom pendants, statement rings, earrings, keepsake jewelry, artisan projects, and decorative inlay work. Pairs beautifully with gold, silver, platinum, and mixed-metal settings.
Quality Promise
Every Lab Grown Ruby Heart Cab Flat Back #5 is individually inspected for polish, color consistency, shape accuracy, and craftsmanship. Each gemstone is selected to meet professional jewelry-making standards.
Shop Info
• Processing time: 1–2 business days
• Shipping: Worldwide shipping 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.