Natural Tanzanite Trillion Cut Gemstone | AAA–A Quality 3mm–6.5mm | Violet Blue Loose Stone for Rings, Earrings & Jewelry Making

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Calibrated · Tanzanite

Natural Tanzanite Trillion Cut Gemstone | AAA–A Quality 3mm–6.5mm | Violet Blue Loose Stone for Rings, Earrings & Jewelry Making

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

Quality
MM
Quantity

$42.90 each

1 stone $42.90

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
Gemstone
Tanzanite
Shape
Trillion

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      About these stones


      Product Description

      Illuminate your jewelry creations with the captivating beauty of Natural Trillion-Cut Tanzanite, known for its vibrant violet-blue color and exceptional sparkle. Each gemstone is ethically sourced and hand-selected for quality, available in AAA, AA, and A grades to match a wide range of design needs and budgets.

      Offered in calibrated sizes from 3mm to 6.5mm, these tanzanite gemstones are precision-cut to maximize brilliance—making them ideal for engagement rings, earrings, pendants, custom designs, and fine jewelry making.

      Whether you are a jeweler, designer, or gemstone collector, these natural trillion tanzanites offer elegance, brilliance, and timeless appeal.

      Highlights

      • Gemstone: Natural Tanzanite

      • Shape: Trillion Cut

      • Quality Grades: AAA, AA, A

      • Sizes Available: 3mm to 6.5mm

      • Color: Violet-Blue / Blue-Purple (varies by grade)

      • Clarity: Eye-clean to slightly included (grade dependent)

      • Cut Style: Faceted Trillion

      • Hardness: 6–7 on Mohs scale

      • Origin: Tanzania

      • Treatment: Standard heat-treated (industry accepted)

      • Finish: Excellent polish & calibrated sizing

      Benefits

      • Unique trillion shape: Perfect for modern and elegant jewelry designs.

      • Beautiful color range: From pastel lavender to rich violet-blue.

      • Perfect for matching pairs: Ideal for earrings or side stones.

      • Ethically sourced: Responsibly mined natural tanzanite.

      • Brilliant faceting: Maximizes sparkle and light reflection.

      • Calibrated sizes: Ensures easy fitting into standard mountings.

      Usage

      Ideal for:

      • Engagement rings

      • Stud earrings & matched pairs

      • Pendants & drop earrings

      • Custom jewelry design

      • Birthstone jewelry (December)

      • Fine gold and silver pieces

      • Gemstone collections

      Perfect for jewelers, designers, and DIY jewelry makers.

      Quality Assurance

      Each gemstone is inspected for:

      • Cut precision

      • Color depth

      • Clarity and polish

      • Accurate calibrated sizing

      An in-house Certificate of Authenticity is included with each purchase.

      Shop Policies

      • Processing Time: Ships within 1–2 business days

      • Shipping: Worldwide insured shipping with tracking

      • Returns: 30-day return policy (unused gemstones only)

      • Support: Matching pairs, bulk orders, and custom size requests available

      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

      Natural Tanzanite Trillion Cut Gemstone | AAA–A Quality 3mm–6.5mm | Violet Blue Loose Stone for Rings, Earrings & Jewelry Making

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