Rhodolite Garnet 15.15 ct | Oval | Oxblood Red | Umba Valley, Tanzania

SKU: RHS098 Category: Tag:

Impressive Rhodolite Garnet of 15.15 ct from Umba Valley, Tanzania, featuring a deep oxblood red color and a classic oval cut. A powerful centerpiece gemstone for statement rings, pendants, or a refined garnet collection.

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Description

This 15.15 ct Rhodolite Garnet from Umba Valley, Tanzania, combines remarkable size with a rich oxblood red color and a timeless oval cut. Material from this Umba Valley find is appreciated for its attractive colors and strong overall quality, and this gemstone stands out with bold presence and classic rhodolite character.

Deep oxblood red with strong visual impact

The gemstone displays a saturated oxblood red tone with depth, richness, and a refined dramatic appearance. This darker red color gives the stone a powerful and luxurious character while still retaining the lively beauty that makes Rhodolite Garnet so desirable. Its intense tone makes it especially suitable for jewelry with presence and distinction.

Oval cut — classic, elegant, and highly versatile

The oval shape is one of the most popular gemstone cuts because it offers an elegant outline, strong face-up appearance, and excellent versatility in jewelry design. It is especially well suited for:

statement rings

pendants

collector-style custom jewelry

one-of-a-kind bespoke designs

A substantial center stone

At 15.15 ct, this Rhodolite Garnet has exceptional size and a commanding appearance, making it an ideal centerpiece for a custom jewelry project. Its combination of impressive weight, elegant shape, and deep oxblood red color also gives it strong appeal for collectors who appreciate fine garnets from notable sources.

A large and richly colored Rhodolite Garnet from Umba Valley in deep oxblood red—ideal for bold custom jewelry or a distinguished 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 Carat15.15 ct / 1 pcs
Region / MineUmba Valley
Country of OriginTanzania
Saturation / ToneDark
ShadeOxblood
ColorRed
TransperencyTransparent
Stone TypeType I
ClarityVS
Dimensions 1 (L/W/H)15.05 x 13.40 x 9.20 mm
Untreated

No indication of artificial enhancement.

Read more about common gemstone treatments →
Refractive Index 1.75 - 1.77
Birefringence none / isotropic
Hardness (Mohs) 7.25
Gravity 3.74 - 3.94
Crystal System cubic
Chemical Formular (Mg, Fe)3Al2(SiO4)3