Loose Black Diamond Square- Princess Cut AAA Quality Available in Single or Pair From 1.1MM - 5.0MM Parcels

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Calibrated · Loose Gemstone

Loose Black Diamond Square- Princess Cut AAA Quality Available in Single or Pair From 1.1MM - 5.0MM Parcels

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

Sizes
Style

$4.35 each

1 stone $4.35

SKU

Need more than we have, or a matched set? Ask for a quote or call 212-840-3660.

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

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      About these stones


      Loose Black Diamond Square - Princess Cut AAA Quality | Available in Single or Pair | 1.1MM - 5.0MM Parcels

      Product Description

      Discover the striking beauty of our Loose Black Diamond Princess Cut Gemstones, available from 1.1mm to 5.0mm. Each stone is hand-selected for its deep black luster, mirror-like polish, and sharp faceting that enhances brilliance. Perfect for both modern and classic jewelry designs, these AAA quality black diamonds are available as single stones or matched pairs, ideal for engagement rings, stud earrings, and fine jewelry creations.

      Whether you’re a jeweler or a designer, our calibrated black diamonds offer consistent sizing, exceptional quality, and lasting value for any project.

      Highlights

      • Stone: Natural Black Diamond

      • Shape: Square / Princess Cut

      • Color: Deep Jet Black

      • Clarity: Opaque

      • Hardness: 10 on Mohs Scale

      Benefits

      • Perfect for creating elegant, modern jewelry with bold contrast

      • Durable and scratch-resistant — ideal for daily wear

      • Versatile choice for engagement rings, earrings, or fashion jewelry

      • Available in single or pair options for design flexibility

      Usage

      These Loose Black Diamonds are excellent for:

      • Custom engagement rings and wedding bands

      • Stud or halo earrings

      • Cufflinks, bracelets, or pendants

      • Fine jewelry making or gemstone collections

      Quality Assurance

      Each gemstone is carefully inspected by our in-house gemologist to ensure top-grade polish, symmetry, and brilliance. We guarantee consistent quality and authenticity in every stone.

      Shop Policies

      • Processing Time: Orders ship within 1–2 business days

      • Returns: 30-day return policy for unused items

      • Certification: In-house certificate of authenticity available upon request

      • Sourcing: Ethically sourced and conflict-free diamonds

      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

      Loose Black Diamond Square- Princess Cut AAA Quality Available in Single or Pair From 1.1MM - 5.0MM Parcels

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