Ruby 2.63 ct | Oval Cabochon | Purplish Red | Johnson, Tanzania | Untreated

SKU: RYS004 Category: Tag: Est. Retail Value: USD $50

Fine untreated Ruby of 2.63 ct from Johnson, Tanzania, fashioned as an elegant oval cabochon. With its attractive Purplish Red color and smooth domed surface, this gemstone is well suited for a distinctive ring, pendant, or a refined ruby collection.

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Description

This 2.63 ct Ruby from Johnson, Tanzania displays an attractive Purplish Red color and is fashioned as a classic oval cabochon. Unlike faceted rubies that emphasize brilliance, a cabochon cut highlights the gemstone’s bodycolor and natural character in a smooth and elegant form. Combined with its confirmed untreated status, this ruby offers strong appeal for both distinctive jewelry and collectors who value natural gemstones.

Purplish Red color with classic ruby character
The gemstone shows a rich Purplish Red hue that gives it a vivid and elegant appearance. The slight purple modifier adds depth and individuality to the color, creating a ruby with a refined and distinctive personality. In cabochon form, the color appears soft yet expressive, with a more velvety visual presence than a faceted stone.

Oval cabochon cut — smooth, timeless, and expressive
The oval cabochon shape is one of the most classic styles for colored gemstones. Its polished dome and balanced outline give the ruby a graceful appearance while placing full attention on color and material. This cut is especially well suited for statement rings, pendants, vintage-inspired jewelry, and collector pieces that value natural beauty over brilliance alone.

Untreated — natural appeal and collector interest
The untreated status adds greatly to this ruby’s desirability. Untreated rubies are appreciated for showing their natural color without enhancement, making them especially appealing to buyers who value authenticity, rarity, and gemological integrity. In combination with its elegant color and pleasing size, this gemstone is suitable not only for jewelry but also for a refined ruby or colored gemstone collection.

A 2.63 ct untreated Ruby cabochon from Tanzania with attractive Purplish Red color and timeless oval shape, well suited for distinctive jewelry or a refined natural 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 Carat2.63 ct / 1 pcs
Region / MineJohnson
Country of OriginTanzania
Saturation / ToneIntense
ShadePurplish
ColorRed
TransperencySemi Translucent
Stone TypeType II
ClarityNI
Dimensions 1 (L/W/H)8.60 x 7.00 x 4.10 mm
Untreated

No indication of artificial enhancement.

Read more about common gemstone treatments →
Refractive Index nω = 1.768–1.772 & nε = 1.760–1.763
Birefringence 0.008
Hardness (Mohs) 9
Gravity 3.98 – 4.06
Crystal System Trigonal
Chemical Formular Al2O3, Aluminium oxide