Calibrated · Loose Ruby

Lab Grown Ruby Round Cabochon #5 | Red Round Cab Gemstone 4mm–14mm for Rings, Pendants, Earrings & Custom Jewelry

Sold per stone. Pick a size; the price drops as you add more of the same stone.

Sizes

$9.71 each

1 stone $9.71

SKU

  • Free US shipping
    over $35
  • 30-day returns
  • Ships to
    50+ countries
Shape
Round

Make it into a piece

Settings that fit

Every setting here is made for this exact size. Change the size above and the list changes with it.

Your stone, actual size

Pendant and ring settings

    Earring settings

      Every size at actual size

      At 100% zoom on a computer screen. Click a size to choose it.

      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.

      Bulk order sheet

      Lab Grown Ruby Round Cabochon #5 | Red Round Cab Gemstone 4mm–14mm for Rings, Pendants, Earrings & Custom Jewelry

      Type a quantity in any cell. Each cell is priced on its own volume tier.

      Paste from a spreadsheet

      One line per size: size, then quantity, e.g. 7x5 20. Add a third column to pick a column of the sheet, e.g. 7x5 4 Pair.

      0 stones · $0.00

      Customer reviews

      Customer Reviews

      Be the first to write a review
      0%
      (0)
      0%
      (0)
      0%
      (0)
      0%
      (0)
      0%
      (0)

      Reviews in Other Languages