Rubellite 54.75 ct | 28 x 21.5 mm Octagon Cabochon | Purplish Red | Ibity, Madagascar

SKU: TOS287 Category: Tag:

Natural Rubellite (54.75 ct) from Ibity, Madagascar, cut as an exceptional 28 x 21.5 mm octagon cabochon with rich purplish red color and extraordinary presence. A remarkable gemstone for an important statement ring, pendant, or a fine collection of outstanding rubellites.

Launch Shopping Event

Hurry and get discounts for the Launch Event of the Shop Launch up to 5%

Sale_coupon_5

821.00$

1 in stock

0 People watching this product now!

Payment Methods:

Description

This 54.75 ct Rubellite from Ibity, Madagascar is an exceptional gemstone of remarkable size, strong natural character, and refined cabochon beauty. Cut as a 28 x 21.5 mm octagon cabochon, it combines impressive scale with a structured outline and a richly saturated purplish red color, making it especially appealing for important bespoke jewelry as well as for collectors of exceptional colored gemstones.

Rubellite is one of the most sought-after members of the tourmaline family, valued for its vivid pink to red color range and its unmistakable visual presence. This stone shows an attractive purplish red tone that combines richness, depth, and individuality. The slight purple influence adds sophistication and complexity to the color, giving the gem a bold yet elegant appearance. In cabochon form, this tone often appears especially smooth and concentrated, while the polished surface creates a soft, luminous glow rather than the sharper reflections of a faceted stone.

The octagon cabochon cut gives the gemstone a particularly distinctive identity. Its clean, structured outline adds strength and elegance, while the cabochon finish preserves a softer and more organic optical character. This combination makes the stone especially suitable for statement rings, important pendants, and one-of-a-kind high-jewelry designs where size, color, and individual shape should remain the clear focal point. With dimensions of 28 x 21.5 mm, it has the scale and presence required for truly exceptional creations.

At 54.75 ct, this rubellite belongs to a rare category of gemstones that offer not only strong jewelry potential but also significant collector appeal. Originating from Ibity, Madagascar, it combines notable provenance with extraordinary size, rich color, and an uncommon cut style.

A remarkable octagon cabochon rubellite from Madagascar with rich purplish red color, exceptional scale, 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 Carat54.75 ct / 1 pcs
Region / MineIbity
Country of OriginMadagascar
Saturation / ToneDark
ShadePurplish
ColorRed
TransperencyTransparent
Stone TypeType III
ClarityMI
Dimensions 1 (L/W/H)28.00 x 21.50 x 9.30 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