Rubellite 23.01 ct | 20 x 16 mm Oval Cabochon | Violet Red | Antsirabe, Madagascar

SKU: TOS277 Category: Tag:

Natural Rubellite (23.01 ct) from Antsirabe, Madagascar, cut as an elegant 20 x 16 mm oval cabochon with vivid violet red color and exceptional presence. A remarkable gemstone for a statement ring, pendant, or a fine collection of outstanding rubellites.

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Description

This 23.01 ct Rubellite from Antsirabe, Madagascar combines impressive size, an elegant 20 x 16 mm oval cabochon cut, and a vivid violet red color. Its generous proportions, softly polished surface, and strong natural presence make it especially appealing for important bespoke jewelry as well as for collectors who appreciate exceptional rubellites with individuality and character.

Rubellite is one of the most sought-after members of the tourmaline family, admired for its vivid pink to red color range and expressive natural beauty. This stone shows a beautiful violet red tone that combines richness, liveliness, and sophistication. The subtle violet influence adds depth and distinction to the color, giving the gem a refined yet noticeable presence. In cabochon form, the color often appears especially smooth and concentrated, while the polished domed surface creates a gentle glow rather than the sharper reflections of a faceted gemstone.

The oval cabochon cut gives this rubellite a timeless and highly versatile look. Its softly elongated outline offers elegance, balance, and strong visual impact, making it particularly well suited for statement rings, substantial pendants, and one-of-a-kind custom jewelry where color and size should remain the clear focal point. With dimensions of 20 x 16 mm, the stone has excellent presence and very good design potential for high-quality creations.

At 23.01 ct, this rubellite offers substantial visual impact and clear collector appeal while remaining highly suitable for important jewelry pieces. Originating from Antsirabe, Madagascar, it combines notable provenance with impressive scale, elegant cutting, and vivid color.

A remarkable oval cabochon rubellite from Madagascar with vivid violet red color, generous size, and outstanding potential for important bespoke jewelry or a refined 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 Carat23.01 ct / 1 pcs
Region / MineAntsirabe
Country of OriginMadagascar
Saturation / ToneMedium Deep
ShadeViolet
ColorRed
TransperencyTransparent
Stone TypeType III
ClarityMI
Dimensions 1 (L/W/H)20.10 x 16.00 x 8.40 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