Natural Aquamarine · 2.46 ct · Oval · Greenish Blue · Unheated

$250.45

Natural Aquamarine weighing 2.46 ct, fashioned in an oval mixed cut and measuring approximately 11.2 × 8.5 × 4.3 mm. This transparent gemstone displays an attractive greenish-blue colour, an included clarity profile and bright vitreous luster. Its elegant oval shape and natural untreated colour give the stone a distinctive and refined appearance. Unheated and untreated.

1 in stock

NGB Reference: NGB-000864 SKU: FA-AQUA024GB-001-001 Category: Brand:
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This individually documented natural Aquamarine weighs 2.46 ct and is fashioned in an attractive oval mixed cut, measuring approximately 11.2 × 8.5 × 4.3 mm. The gemstone displays a natural greenish-blue body colour, combining the fresh blue character associated with Aquamarine with a subtle green secondary influence.

Aquamarine is the blue to greenish-blue variety of Beryl, the same mineral species that also includes Morganite and Emerald. Its characteristic colour is associated with iron within the Beryl crystal structure, with variations in oxidation state and concentration influencing whether the stone appears more blue, greenish-blue or blue-green.

This specimen is transparent and displays an included clarity profile classified as I. Natural internal inclusions and structural features are clearly visible within the gemstone and reduce internal cleanliness, while sufficient transparency remains for the greenish-blue colour and facet reflections to remain visually apparent.

The oval mixed cut combines different facet arrangements to balance colour retention, brilliance and face-up spread. Its elongated proportions create a pleasing presentation, while the vitreous luster contributes additional surface brightness and helps emphasize the transparent character of the material.

Natural internal veils, small included features, growth-related structures and subtle variations in colour concentration may be visible throughout the gemstone. These characteristics form part of the individual identity of natural Aquamarine and contribute to the stone’s specimen-specific appearance.

The greenish-blue colour gives this Aquamarine a distinctly natural appearance, retaining more of the green component commonly seen in unheated material. The colour is not presented as strongly saturated blue, but rather as a balanced combination of blue and green tones.

This Aquamarine is documented as unheated and untreated, preserving its natural colour, internal characteristics and individual gemstone identity.

With its 2.46 ct weight, transparent material, greenish-blue colour and elegant oval mixed cut, this natural Aquamarine offers an attractive combination of classic Beryl character, natural inclusions and refined faceted presentation.

Overall Score: 82/100

NGB Grade: Very Good

Quality Evaluation

Color18.0/20
Clarity14.0/20
Cut17.0/20
Optical Performance17.0/20
Overall Appeal16.0/20

Evaluation Notes

This natural Aquamarine presents a very good overall quality profile, combining an attractive greenish-blue colour with good transparency, an elegant oval mixed cut and pleasing vitreous luster.
The gemstone shows a natural blue body colour with a noticeable green secondary influence, giving the stone a fresh and characteristically untreated appearance. Its transparent material allows the colour and internal facet reflections to remain clearly visible.
The recorded I clarity profile reflects visible natural inclusions, internal veils and structural features that reduce internal cleanliness. These characteristics are noticeable, but the gemstone retains sufficient transparency and brightness to preserve an attractive face-up presentation.
The oval mixed cut provides balanced proportions and supports a pleasant interaction between colour, transparency and reflected light, while the vitreous luster adds further surface brightness.

The combination of natural greenish-blue colour, transparency, attractive shape, optical presentation and overall visual appeal, balanced against the included clarity, supports a very good 82/100 assessment.

Species

Beryl

Gemstone Variety

Aquamarine

Color

Blue

Shape

Oval

Cut

Mixed Cut

Treatment

Unheated, Untreated

Transparency

Transparent

Gemological Properties

Carat Weight2.46 ct
Dimensions11.2 × 8.5 × 4.3 mm
TransparencyTransparent
ClarityI
Refractive Index1.567-1.590
Specific Gravity2.66-2.80
Hardness7.5-8 Mohs
Birefringence0.005-0.007.
Crystal SystemHexagonal
Dispersion0.014
LusterVitreous
Color Descriptiongreenish blue
Transparency NotesTransparent; assessed together with the specimen-specific clarity and internal characteristics.
Natural CharacteristicsThe Aquamarine displays a transparent greenish-blue body colour with subtle natural variation in colour concentration across the stone. The blue tone remains dominant, while a noticeable green secondary influence contributes to its natural untreated appearance. Natural internal inclusions and growth-related features are clearly visible, consistent with the recorded I clarity profile. Fine internal veils, small included crystals, minor fissure-related features and subtle structural variations reduce internal cleanliness while preserving sufficient transparency for the body colour and facet reflections to remain visible. Localized differences in light transmission and internal brightness occur as a result of the included structure and facet arrangement. These natural features create some variation in optical performance across the gemstone without completely obscuring its transparent character. The combination of greenish-blue colour, transparent Beryl, visible natural inclusions and internal growth characteristics gives this Aquamarine a distinctive and individual natural appearance.

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