18.53ct 18.2x13mm Cushion Cabochon Natural Black Spinel - Thailand Gemstone

18.53ct ETW Earth-Mined Black Spinel – Cushion Cabochon, Large Stone

This substantial loose gemstone showcases an earth-mined black spinel from Thailand, displaying a deep black appearance and smooth polished surface in a classic cushion cabochon.

Specifications:
Gemstone: Black Spinel
Carat Weight: 18.53ct ETW
Cut: Cushion Cabochon
Dimensions: 18.2 mm x 13.0 mm
Clarity: Opaque
Origin: Thailand
Condition: New

Earth-mined black spinel weighing an impressive 18.53ct ETW in a cushion cabochon from Thailand with slightly included clarity.

The cabochon cut emphasizes the gemstone's rich black appearance through a smooth, polished surface and softly rounded cushion profile, creating a bold and substantial presentation.

Spinel is a distinct mineral species valued for its durability and broad range of colors. Black spinel is particularly notable for its opaque-to-dark appearance, polished luster, and ability to create dramatic contrast in jewelry designs.

At 18.53 carats and 18.2 mm in length, this is a very large gemstone with commanding visual presence. Its substantial size makes it particularly well suited as a centerpiece for a custom pendant or as a striking addition to a gemstone collection.

The combination of impressive size, deep black appearance, Thai origin, and smooth cushion cabochon form gives this individual spinel a bold and distinctive character.

A substantial earth-mined black spinel offering dramatic visual impact for a custom jewelry design or gemstone collection.

(Stock Code: LMM)

Keywords: loose gemstone, earth-mined spinel, black spinel, Thailand spinel, Thai gemstone, cushion cabochon spinel, black gemstone, large spinel, polished black spinel, 18.53ct spinel