Gemstone

1.83 Ct. Blue Violet Tanzanite – Marquise Cut

$295.00
USD · One stone available
1.83 Ct. Marquise 11.94x6.06x3.59 Heated

This natural 1.83 carat marquise-cut tanzanite features an attractive blue-violet color with beautiful blue and violet flashes. Its elongated shape creates an elegant appearance, making it a distinctive choice for a custom jewelry design.

With its appealing color and graceful marquise shape, this tanzanite would make a beautiful centerpiece for a pendant, necklace, or custom ring. Its unique combination of blue and violet tones highlights the natural beauty of this sought-after gemstone.

Gemstone Details:

  • Gemstone: Natural Tanzanite
  • Species: Zoisite
  • Weight: 1.83 Carats
  • Shape: Marquise
  • Dimensions: 11.94 x 6.06 x 3.59 mm
  • Color: Medium Blue Violet
  • Origin: Tanzania
  • Treatment: Undetermined; heating is common for tanzanite

Create a One-of-a-Kind Piece – Contact French Cut Gems to explore custom jewelry options featuring this beautiful gemstone.

Only 1 available — this exact stone ships to you
Qty
1.83 Ct. Blue Violet Tanzanite – Marquise Cut
GIA Graduate Gemologist
Every stone personally verified
Individual Photography
The exact stone you receive
Fully Disclosed
Treatments always stated
14-Day Returns
Unused & unaltered
Ships in 5–6 business days · Free shipping on this order (over $200+) · U.S. based, Columbus, Ohio
Stone Details

Full Gemological Specifications

Complete, fully disclosed information — exactly as graded and identified by our GIA Graduate Gemologist.

TAN-0014 · Gemological Data Fully Disclosed
Species
Zoisite
Variety
Tanzanite
Carat Weight
1.83 Ct.
Dimensions
11.94x6.06x3.59
Shape / Cut
Marquise
Color
Medium Blue Violet
Clarity
Slightly included with minor natural inclusions.
Transparency
Transparent
Stone Form
Faceted
Origin
Tanzania
Suitable for Jewelry
Yes
Treatment
Heated
Treatment Disclosure
Tanzanite is commonly heated to enhance its blue and violet coloration. Treatment history for this gemstone has not been independently verified.
No. of Pieces
1
Notes
Rings with protective settings, pendants, earrings, necklaces
Customer Reviews

Real experiences from our customers

5.0 / 5.0
5.0
Based on customer reviews
5 / 5

My sisters and I love how special it is to have necklaces that match our mom's birthstones. We worked with Jeremiah to create custom pieces for all three of us. They came out beautiful and are so meaningful to us.

Katie R.
Custom Design Experience
5 / 5

I received a lovely compliment on my necklace at card club yesterday and was so pleased to share that I had it custom-made through French Cut Gems. The whole experience was wonderful.

Loretta S.
Custom Jewelry Client
5 / 5

I bought a birthstone pendant for my wife and couldn't be happier. The stone was exactly as described and the quality exceeded my expectations. Will definitely shop here again.

John R.
Custom Jewelry Client
FAQ

Frequently Asked Questions

Everything you need to know before you buy. More questions? Contact us.

Yes. All gemstones are natural unless clearly stated otherwise. Any known treatments are fully disclosed in each listing.

Every gemstone is personally sourced and evaluated by a GIA Graduate Gemologist to ensure quality, accuracy, and honest representation.

Yes. All photos and videos show the actual gemstone you will receive. We strive to represent each stone accurately using neutral lighting, though slight color differences may occur due to screen settings.

Orders are processed within 1–3 business days after payment is received. Custom requests or special packaging may require additional time. We ship via USPS, UPS, or FedEx — all orders include tracking and insurance.

Free U.S. shipping is available on orders over $200 USD. Orders over $500 USD may require signature confirmation to ensure safe delivery.

Returns are accepted within the timeframe outlined in our Return Policy, provided the gemstone is returned in its original condition.

Yes. International shipping is available. Buyers are responsible for any customs duties or import taxes, and delivery times may vary due to customs processing.