Natural pinkish yellow spodumene, 12.58 carats, rectangular step cut, heated, transparent pastel yellow pink color, Himalaya certified gemstone

Spodumene 12.58 ct – Pinkish Light Yellow, Rectangular Cut, HGTL Certified

Name: Spodumene 12.58 ct – Pinkish Light Yellow, Rectangular Cut, HGTL Certified
Brand: SOSNA Gems & Jewellery
SKU: GR-1883386
Price: 4943.00 CZK
Availability: InStock

4.943,00 CZK

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This natural spodumene weighs 12.58 carats and displays a delicate pinkish yellow color with elegant transparency and soft pastel brilliance. The gemstone is expertly fashioned in a rectangular step cut measuring 17.45 × 9.45 × 7.65 mm, creating refined symmetry and excellent depth that enhance its sophisticated appearance. Its unusual blend of warm yellow and soft pink tones gives the gemstone a distinctive and luxurious character highly appreciated in collector gemstones and bespoke jewelry.

Spodumene is admired for its elegant crystal clarity and attractive pastel color spectrum. According to the laboratory report, this color is commonly heated/treated, a standard and widely accepted practice used to stabilize and enhance coloration in spodumene gemstones. Certified by Himalaya Gem Testing Lab, this gemstone comes with independent verification of its identity and gemstone properties.

Its impressive size, elegant rectangular step cut, and unique pinkish yellow coloration make this spodumene an exceptional centerpiece gemstone for luxury custom jewelry and curated gemstone collections.

Spodumene 12.58 ct – Pinkish Light Yellow, Rectangular Cut, HGTL Certified

4.943,00 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.

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Gemological overview

Technical and gemological information about this gemstone variety.

Gemological profile

Spodumene is a silicate mineral known for its elongated crystal habit, high transparency, and refined internal structure. In gem-quality material, spodumene is valued for its clean appearance and ability to display subtle to vivid coloration depending on the specific variety.
Chemically composed of lithium aluminum silicate (LiAl(SiO₃)₂), spodumene crystallizes in the monoclinic crystal system and belongs to the silicate mineral group. Transparent gem-quality specimens typically display a vitreous luster and high clarity.
The refractive index of spodumene generally ranges from approximately 1.66 to 1.68, resulting in a lively brilliance with noticeable light return. Spodumene is found in several regions worldwide, with notable sources including Afghanistan, Pakistan, Brazil, Madagascar, and the United States, depending on variety and geological conditions.

Durability & suitability

With a hardness of 6.5 to 7 on the Mohs scale, spodumene offers moderate durability suitable for jewelry when properly set and worn with care. While it can be used in a range of jewelry designs, it performs best in pieces that are less exposed to frequent impact, such as pendants, earrings, and protected ring settings.
Spodumene has perfect cleavage, making thoughtful setting design especially important to reduce the risk of damage from sharp impact. Its combination of clarity, size availability, and elegant appearance makes it particularly suitable for occasional-wear jewelry and expressive, statement-oriented designs.

Treatments & authenticity

Spodumene is commonly heat treated to enhance or stabilize color in certain varieties, a practice widely accepted within the gem trade when properly disclosed. This treatment is stable and does not compromise the structural integrity of the gemstone.
Any treatments or enhancements 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 .