3.97ct Natural Blue Aquamarine – Rectangle Cabochon Cut, Unheated

3.97ct ETW Earth-Mined Blue Aquamarine – Rectangle Cabochon, Unheated

This attractive 3.97-carat earth-mined blue aquamarine from Madagascar features appealing blue coloration and a polished rectangular cabochon cut. Its substantial proportions and smooth finish make it an interesting choice for custom jewelry or gemstone collecting.

Specifications:

Gemstone: Blue Aquamarine
Carat Weight: 3.97ct ETW
Cut: Rectangle Cabochon, Polished Both Sides
Dimensions: 11.8 x 6.8 x 5.7 mm
Clarity: Heavily Included
Treatment: Unheated
Origin: Madagascar
Condition: New

Earth-mined Madagascar blue aquamarine weighing 3.97ct ETW in a rectangular cabochon cut, featuring heavily included clarity and unheated character.

This aquamarine displays blue coloration in a distinctive rectangular shape. Its polished cabochon surface emphasizes the gemstone's natural color and internal characteristics rather than the brilliance of traditional faceted stones.

Aquamarine is the blue to greenish blue variety of beryl, a mineral family that also includes emerald and morganite. Its coloration is primarily associated with trace amounts of iron within the crystal structure.

Madagascar is a recognized source of gem-quality aquamarine, producing specimens in a variety of blue and greenish blue shades. This gemstone is unheated, retaining its naturally occurring coloration without heat enhancement.

Its heavily included clarity indicates prominent internal characteristics that contribute to its individual appearance and may affect transparency.

At 3.97 carats and measuring 11.8 x 6.8 x 5.7 mm, this aquamarine offers attractive proportions for a custom pendant or distinctive jewelry design. Its rectangular shape works particularly well in a bezel setting.

Aquamarine has a Mohs hardness of approximately 7.5 to 8, offering good resistance to scratching with appropriate care. Protective settings are recommended to safeguard the gemstone against impacts.

This individual Madagascan aquamarine combines natural blue coloration, distinctive cabochon styling, and unheated character in a unique loose gemstone.

(Stock Code: ABMM)

Keywords: loose gemstone, earth-mined aquamarine, blue aquamarine, Madagascar aquamarine, Madagascan gemstone, rectangle cabochon aquamarine, polished aquamarine, unheated aquamarine, heavily included aquamarine, 3.97ct aquamarine, natural blue beryl, blue cabochon gemstone, custom pendant gemstone, collector gemstone