Tourmaline Cabochon 12.17 ct | 16 x 12 mm Oval | Pinkish Violet | Oyo Region, Nigeria

SKU: TOS258 Category: Tag:

Natural Pinkish Violet Tourmaline Cabochon (12.17 ct) from the Oyo Region, Nigeria, cut as an elegant 16 x 12 mm oval with lively color and smooth luminous character. A distinctive gemstone for a statement ring, pendant, or a fine collection of exceptional cabochon tourmalines.

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Description

This 12.17 ct Tourmaline Cabochon from the Oyo Region, Nigeria combines an elegant 16 x 12 mm oval shape with an attractive pinkish violet color. Its generous size, softly polished surface, and refined natural presence make it especially appealing for bespoke jewelry as well as for collectors who appreciate distinctive cabochon tourmalines with individuality.

Pinkish violet tourmaline is admired for its expressive and elegant color balance. The combination of vivid pink with subtle violet undertones gives the stone a refined and lively appearance, offering both freshness and depth. In cabochon form, this color often appears especially smooth and rich, while the domed polished surface creates a gentle glow rather than the sharper reflections of a faceted gemstone.

The oval cabochon cut enhances the stone’s timeless and versatile appeal. Its softly elongated outline gives the gem graceful proportions and strong visual presence, making it particularly well suited for statement rings, elegant pendants, and one-of-a-kind custom jewelry where color, shape, and a softer optical character should remain the main focus. With dimensions of 16 x 12 mm, the stone offers excellent presence and strong design potential for high-quality creations.

At 12.17 ct, this tourmaline offers substantial visual impact and clear collector appeal while remaining highly suitable for important jewelry pieces. Originating from the Oyo Region, Nigeria, it combines attractive provenance with refined cabochon cutting and a beautiful pinkish violet color that stands out with elegance and individuality.

A beautiful oval tourmaline cabochon from Nigeria with refined pinkish violet color, smooth luster, and excellent potential for statement jewelry or a carefully selected gemstone collection.

Additional Information

Certification Options

Every gemstone purchased from Gem Fountain includes a free Gem Fountain Gemstone Report, provided as a PDF file, documenting the key characteristics and authenticity of the stone.

For customers who require independent laboratory verification, we offer the option to add third-party gemstone reports. Upon selection, the gemstone will be submitted to the chosen accredited gemological laboratory. Estimated fees and processing times are as follows:

  • BGL – Brief Report: USD 19
    Processing time: approximately 1–2 business days
  • AIG – Brief Report: USD 38
    Processing time: approximately 7–8 business days
  • LOTUS – Soft Cover Report: USD 128
    Processing time: approximately 7–8 business days

All external reports are optional and can be selected as an add-on prior to shipment. Processing times may vary slightly depending on laboratory workload.

Shipping & Payment

All gemstones are shipped directly from Thailand, one of the world’s leading gemstone trading hubs. We deliver to almost all countries worldwide, using reliable and insured shipping partners to ensure safe and secure delivery. Each order is carefully packaged, and tracking details are provided once the shipment has been dispatched. Delivery times may vary depending on destination and local customs procedures. Any applicable duties, taxes, or import fees are the responsibility of the recipient.

We offer flexible payment options to accommodate our international clientele. Most common payment methods are accepted at checkout. Customers who choose to pay via wire transfer (Wise) receive a 5% discount, which can be selected directly during the checkout process.

Specification

Overview
Total Carat12.17 ct / 1 pcs
Region / MineOyo Region
Country of OriginNigeria
Saturation / ToneMedium
ShadePinkish
ColorViolet
TransperencyTransparent
Stone TypeType l
ClarityMI
Dimensions 1 (L/W/H)16.30 x 11.80 x 7.80 mm
Untreated

No indication of artificial enhancement.

Read more about common gemstone treatments →
Refractive Index nω = 1.633–1.651 & nε = 1.615–1.630
Birefringence 0.018 – 0.021
Hardness (Mohs) 7.0 - 7.5
Gravity 3.00 - 3.10
Crystal System Trigonal
Chemical Formular Aluminium borosilicates – solid solution crystals with variable composition, Fe²⁺, Li)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄, Mn, Na(Mg