Natural Clear Quartz · 8.410 ct · Oval Custom Cut

$141.13

Natural Clear Quartz weighing 8.41 ct, featuring an almost colourless transparent body and a distinctive oval custom cut. Measuring 16.8 × 11.9 × 7.5 mm, the stone shows prominent natural internal characteristics consistent with an I3 clarity profile, combined with good to very good symmetry, polish and strong vitreous luster.

1 in stock

NGB Reference: NGB-000018 SKU: FA-QUCR024CL-001-005 Category: Brand:
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This individually documented natural Clear Quartz weighs 8.41 carats and has been fashioned into a distinctive oval custom cut. Its transparent, almost colourless body highlights both the individual facet architecture and the natural internal characteristics of the gemstone.

Measuring approximately 16.8 × 11.9 × 7.5 mm, the stone has substantial visual presence and an elongated oval outline. Rather than following a conventional brilliant or standard mixed-cut pattern, the custom faceting gives the specimen an individual optical character and emphasizes the geometry of the cut.

The gemstone is transparent and has a clarity profile comparable to I3, meaning that prominent natural inclusions and internal features are clearly visible within the stone. These characteristics form an important part of the specimen’s natural identity and create visible internal texture while still allowing light to pass through the Quartz.

Its almost colourless appearance places the visual emphasis on the interaction between transparency, inclusions and facet reflections rather than body colour. The result is a gemstone with a distinctly natural character and an unconventional visual presentation.

The overall cutting quality ranges from Fair to Good, while the Good to Very Good symmetry provides a balanced face-up appearance. Good to Very Good polish and a Very Good vitreous lustre contribute strong surface reflections and enhance the visual definition of the custom faceting.

Clear Quartz belongs to the quartz mineral species and is valued for its transparency, durability and versatility in lapidary work. Larger specimens can offer cutters considerable freedom to develop individual cutting designs that differ significantly from standardized commercial gemstones.

As a natural gemstone with an I3 clarity profile, this specimen may display prominent mineral inclusions, internal fractures, growth structures or surface-reaching features. These characteristics are associated with the natural geological formation of the crystal and should be regarded as part of the individual material rather than imperfections introduced during manufacturing.

With its 8.41 ct weight, almost colourless transparent body and distinctive custom faceting, this natural Clear Quartz offers an individual combination of optical geometry and clearly visible natural internal character. It is particularly suitable for collectors, bespoke jewellery projects or designs where the uniqueness of the natural material is intended to remain an important part of the final presentation.

Overall Score: 81/100

NGB Grade: Very Good

Quality Evaluation

Color19.0/20
Clarity12.0/20
Cut17.0/20
Optical Performance16.0/20
Overall Appeal17.0/20

Evaluation Notes

This natural Clear Quartz presents a distinctive overall quality profile, combining substantial size, a well-balanced oval custom cut and strong vitreous luster. Good to very good symmetry and polish support an attractive visual presentation, while the prominent internal inclusions and fractures associated with its I3 clarity profile remain the principal limiting factor. Despite these natural characteristics, the stone retains good transparency, individual optical character and a pleasing overall appearance.

Species

Quartz

Gemstone Variety

Quartz

Gemstone Sub-variety

Clear Quartz

Color

Colorless

Shape

Oval

Cut

Custom Cut

Treatment

Unheated, Untreated

Transparency

Transparent

Gemological Properties

Carat Weight8.41 ct
Dimensions16.8 × 11.9 × 7.5 mm
TransparencyTransparent
Claritythat
Refractive Index1.544–1.553
Specific Gravity2.651
Hardness7 Mohs Mohs
Birefringence0.009
Crystal SystemTrigonal
Dispersion0.013
LusterVitreous
Color DescriptionAlmost colourless / clear
Transparency NotesTransparent.
Natural CharacteristicsProminent natural inclusions, internal fractures and growth features are clearly visible within the gemstone, consistent with an I3 clarity profile. These characteristics create noticeable internal texture while preserving the stone’s transparent appearance and individual natural identity.

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