Spessartine Garnet 12.29 ct | Round | Royal Red | Iseyin, Nigeria

SKU: SES001 Category: Tag:

Fine Spessartine Garnet of 12.29 ct from Iseyin, Nigeria, cut in a classic round shape and displaying a rich royal red color. A remarkable gemstone with impressive size and strong visual presence, ideal for a statement ring, luxury pendant, or a distinguished gemstone collection.

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Description

This 12.29 ct Spessartine Garnet from Iseyin, Nigeria combines exceptional size with the timeless elegance of a round cut and a rich royal red color. As a fine single stone, it offers the lively brilliance and commanding presence that make Spessartine Garnet such an attractive choice for important jewelry and carefully selected gemstone collections.

Its royal red color gives the gemstone a bold and refined appearance, with a rich depth that feels both expressive and luxurious. In a stone of this size, the color has especially strong impact, allowing the gem to stand out immediately while still maintaining an elegant overall character. This powerful red appearance gives the stone a distinctive identity and makes it particularly suitable for jewelry that should leave a lasting impression.

The round cut is one of the most classic and balanced gemstone shapes. It offers excellent symmetry, strong face-up presence, and a lively overall look, making it especially appealing for designs where brilliance and visual importance are key. A round Spessartine Garnet of this size is particularly well suited for statement rings, collector pendants, halo designs, or bespoke one-of-a-kind jewelry pieces centered entirely around the gemstone.

At 12.29 ct, this Spessartine Garnet belongs to a size category that gives it unmistakable importance. It has the scale and presence needed for an exceptional custom jewel, while also appealing to collectors who appreciate large natural gemstones with vivid character and impressive individuality. Set in yellow or rose gold, its warm red tones can appear even richer, while white gold or platinum create a fresh and striking contrast.

A remarkable Spessartine Garnet from Iseyin, Nigeria, with elegant round proportions, impressive 12.29 ct weight, and rich royal red color — suitable for an important jewelry piece 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 Carat12.29 ct / 1 pcs
Region / MineIseyin
Country of OriginNigeria
Saturation / ToneDeep
ShadeRoyal
ColorRed
TransperencyTransparent
Stone TypeType II
ClarityEC
Dimensions 1 (L/W/H)12.90 x 12.90 x 9.30 mm
Untreated

No indication of artificial enhancement.

Read more about common gemstone treatments →
Refractive Index 1, 790 – 1, 820
Birefringence none / isotropic
Hardness (Mohs) 7.0 - 7.5
Gravity 4.10 - 4.18
Crystal System cubic
Chemical Formular Mangan-Aluminium-Silicat: Mn2+3Al2(SiO4)3