Natural Almandine Garnet 6.73 ct – Cushion Cut, Untreated, AIG Certified

Natural almandine garnet, 6.73 carats, cushion cut, untreated, vivid red color, Tanzania origin, AIG certified

Natural Almandine Garnet 6.73 ct – Cushion Cut, Untreated, AIG Certified

Name: Natural Almandine Garnet 6.73 ct – Cushion Cut, Untreated, AIG Certified
Brand: SOSNA Gems
Price: 10757.00 CZK
Availability: InStock

10.757,00 CZK

Speak with expert

This natural almandine garnet weighs 6.73 carats and displays a rich vivid red color with deep saturation and elegant natural brilliance. The gemstone is cut in a cushion shape measuring 11.95 × 9.83 × 6.30 mm, combining soft rounded edges with excellent visual presence suitable for luxurious custom jewelry. Its intense red tone and substantial size make it a striking example of the almandine garnet variety.

The stone is completely untreated, with no indication of heat treatment, preserving its authentic natural beauty and original characteristics. Originating from Tanzania, this garnet offers both durability and timeless appeal, with a hardness of 7.5–8.5 on the Mohs scale. The gemstone is accompanied by an independent AIG laboratory certificate verifying its natural origin and authenticity.

With its vivid coloration, impressive carat weight, and certified untreated status, this almandine garnet is an excellent choice for collectors as well as for bespoke rings, pendants, or statement jewelry designs.

Natural Almandine Garnet 6.73 ct – Cushion Cut, Untreated, AIG Certified

10.757,00 CZK

From gemstone to jewelry

This example illustrates one possible way a gemstone may be developed into a bespoke piece. Final design is always defined individually, based on the stone and its natural character.

Loose gemstone

Bespoke jewelry

Selected gemstones may also serve as the starting point for a bespoke piece.
Each design is developed individually, guided by the stone, its proportions and natural character.

Explore bespoke jewelry

Insured Express Delivery

Fully insured worldwide shipping with discreet packaging.

Gemological Disclosure

Each gemstone is professionally examined and accompanied by clear gemological information regarding its characteristics, treatments, and origin.

Ethical & Transparent Sourcing

We guarantee legal and ethical origin of every gemstone.

Secure & Trusted Purchase

Protected payments, professional handling, and client confidentiality.

Gemological overview

Technical and gemological information about this gemstone variety.

Gemological profile

Garnet refers to a group of closely related silicate minerals rather than a single gemstone variety. This group includes several distinct species and varieties, each with its own characteristic color range, composition, and visual appearance. Garnets are valued for their diversity, durability, and long-standing use in jewelry across cultures and historical periods.
Chemically, garnets share a common crystal structure but differ in composition, most commonly involving combinations of aluminum, iron, magnesium, calcium, and manganese. All garnets crystallize in the cubic crystal system and belong to the silicate mineral group. In gem-quality material, garnets typically display a vitreous luster and transparent to slightly translucent clarity.
Refractive index values vary across garnet varieties, generally ranging from approximately 1.72 to 1.89, resulting in strong light return and rich color saturation. Garnets are found in many regions worldwide, with typical sources including Africa, Sri Lanka, India, Brazil, and Madagascar, depending on the specific variety.

Durability & suitability

With hardness values typically ranging from 6.5 to 7.5 on the Mohs scale, garnets offer good durability suitable for a wide range of jewelry applications when properly set and worn with standard care. Their lack of cleavage contributes to reliable resistance against everyday wear.
Most garnet varieties perform well in rings, pendants, earrings, and bracelets, particularly when set in designs that provide reasonable protection. While durability can vary slightly between individual garnet species, the group as a whole is well suited for both everyday jewelry and more expressive, statement-oriented designs.

Treatments & authenticity

Garnets are most commonly found in nature without the need for enhancement. Unlike many other gemstone groups, treatments are generally uncommon across most garnet varieties, which contributes to their appeal among collectors and jewelry designers alike.
Any treatments or enhancements, if present, are always clearly stated for each individual gemstone. Every stone is professionally examined, and transparent disclosure is regarded as a fundamental part of responsible gemological practice, allowing clients to make informed and confident decisions.

Our approach to gemstones

We focus primarily on natural, untreated gemstones, valued for their authenticity and inherent beauty.
Any treatments or enhancements are always clearly disclosed, allowing our clients to make informed decisions based on transparent gemological standards.

Sosna Gems is not a licensed financial advisor. Gemstones are collectibles, not securities. Past performance is not indicative of future results. Legal & risk disclosure .