津巴布韦灰钻 • 无起拍价 • 全金刚光泽 - 高度: 6.5 mm - 闊度: 5 mm- 0.14 g - (1)

DESCRIPTION:
This exceptional natural Grey Diamond immediately distinguishes itself through the combination of its sophisticated graphite grey colour, remarkably complete adamantine lustre and highly expressive natural surface architecture. Rather than relying on transparency or conventional brilliance, the crystal creates its visual impact through an extraordinary interaction between colour, texture and reflection, with virtually the entire exterior responding intensely to illumination.

Its body colour presents a refined natural grey, ranging from medium silver grey to deeper graphite tonalities depending on orientation and lighting. The colour remains recognisably grey throughout the specimen, creating a sophisticated monochromatic appearance that allows the extraordinary reflective character of the natural diamond surfaces to become the dominant visual feature.

Perhaps the most remarkable characteristic of this specimen is its exceptional adamantine lustre. Across virtually the entire crystal, natural growth surfaces react strongly to illumination, producing brilliant silver reflections and concentrated flashes without the presence of any polishing. There is no visually inactive side to the specimen: when rotated, successive natural planes continuously capture and return light, creating an impressive three dimensional reflective display.

The morphology is compact, substantial and highly sculptural. Rather than presenting a simple geometric crystal habit, the diamond consists of numerous naturally developed elevations, depressions, curved transitions and interconnected crystalline planes. These structures give the specimen considerable visual depth and make its appearance change continuously according to viewing angle.

Its surface architecture is particularly attractive under magnification. Dense natural growth textures cover the crystal, with overlapping micro planes, irregular crystalline relief and subtle directional structures producing an almost metallic visual complexity. Each elevated surface behaves as an individual reflective element, contributing to the exceptional overall lustre.

The contrast between the graphite grey body colour and the brilliant silver adamantine reflections is especially striking. Under direct illumination, the brightest surfaces can appear almost mirror like, while recessed areas retain deeper grey tones. This alternating relationship between light and shadow strongly emphasises the natural relief of the crystal.

The specimen also demonstrates why natural grey rough diamonds possess such a distinctive aesthetic identity. Their neutral colour palette allows morphology, surface preservation and adamantine lustre to become exceptionally prominent, revealing aspects of natural diamond crystallisation that can be less immediately visible in strongly coloured material.

Originating from Zimbabwe, an important African diamond producing country whose natural rough diamonds have developed significant international recognition, this specimen represents an especially aesthetic expression of naturally preserved diamond material. Zimbabwean diamonds are encountered in a broad range of crystal forms, colours and surface characteristics, making well preserved individual specimens particularly interesting to collectors.

Completely natural, unpolished and untreated, the diamond retains its original geological surface architecture. No artificial modification has been introduced to create the remarkable reflective behaviour visible across the specimen; its lustre originates entirely from the interaction of light with naturally developed diamond surfaces.

This is therefore a diamond whose identity is defined by much more than its grey colour. Its compact sculptural morphology, extraordinary all around adamantine lustre, dense natural growth architecture and powerful silver reflective behaviour combine to create a highly aesthetic natural rough diamond with immediate collector presence.

SPECIFICATIONS:
• Weight: 0.14 g
• Weight in carats: 0.70 ct
• Dimensions: 6.5 × 5 × 4.5 mm
• Origin: Marange Diamond Fields, Manicaland Province, Zimbabwe
• Gem material: Natural diamond
• Crystal form: Natural rough diamond
• Morphology: Compact sculptural crystal with complex natural relief
• Colour: Natural Grey
• Colour tones: Silver grey to graphite grey
• Colour distribution: Naturally distributed with subtle tonal variation
• Transparency: Translucent to semi opaque
• Lustre: Exceptional adamantine lustre across virtually the complete crystal surface
• Reflective behaviour: Strong silver metallic reflections under direct illumination
• Surface features: Dense natural growth textures, crystalline relief and multiple reflective planes
• Internal structure: Naturally developed compact crystalline formation
• Treatment: None
• Condition: Natural, unpolished, untreated

NOTABLE POINTS:
• Exceptional all around adamantine lustre
Virtually the complete exterior responds strongly to illumination, producing brilliant reflections from successive natural crystal surfaces.

• Sophisticated natural grey colour
The body displays an elegant spectrum from silver grey to deeper graphite tones while maintaining a cohesive grey identity.

• Powerful silver reflective behaviour
Natural crystalline planes generate concentrated silver flashes that contrast dramatically against the darker body colour.

• Highly sculptural natural morphology
Elevations, depressions and interconnected crystal surfaces create an expressive three dimensional architecture.

• Dense natural surface relief
The exterior preserves complex geological textures that become especially impressive under magnification.

• Multiple naturally reflective planes
Numerous individual surfaces capture light independently, creating continuous optical activity as the diamond is rotated.

• Strong contrast between brilliance and shadow
Bright adamantine reflections alternate with deeper graphite areas, strongly emphasising the crystal’s natural topography.

• Excellent visual presence from multiple orientations
The specimen does not depend upon a single presentation face, revealing attractive reflective structures throughout its circumference.

• Unpolished natural brilliance
Its remarkable lustre is produced entirely by naturally developed diamond surfaces rather than artificial polishing.

• Complex crystallographic character
The irregular architecture preserves evidence of the natural growth and geological evolution of the diamond.

• Highly photogenic reflective performance
Macro photography reveals an impressive network of brilliant silver highlights across the grey crystal body.

• Balanced compact proportions
The substantial three dimensional form gives the specimen visual density and a strong physical presence.

• Completely natural untreated condition
No cutting, polishing or artificial enhancement has altered the original colour or surface structure.

• Zimbabwean provenance
Originating from an internationally recognised African diamond producing country with important natural rough diamond deposits.

• Strong collector identity
The combination of natural grey colour, sculptural morphology and unusually extensive adamantine lustre creates a particularly distinctive rough diamond specimen.

COLLECTOR’S INTEREST:
Natural grey diamonds occupy a fascinating position within rough diamond collecting because their restrained colour allows crystallographic structure and surface optics to become central to the specimen’s identity. Rather than overwhelming the eye through colour saturation, they reveal the physical architecture of natural diamond growth through contrast, relief and reflection.

This specimen is particularly compelling because its adamantine lustre is not restricted to one isolated face or polished looking area. Successive surfaces throughout the crystal respond strongly to illumination, producing an almost continuous sequence of brilliant silver reflections as the specimen is rotated. Combined with its graphite grey body colour, this creates an exceptionally attractive metallic visual effect while remaining entirely natural.

Zimbabwe has an established position among Africa’s important diamond producing countries, and natural rough material from the country is represented by diverse morphologies and appearances. For the mineral collector, specimens that preserve particularly expressive natural surfaces provide an opportunity to appreciate diamond as a crystal and geological object rather than exclusively as material intended for jewellery.

The preservation of this specimen in its completely natural state is therefore fundamental to its collector identity. Its colour, complex surface architecture, compact morphology and exceptional all around adamantine lustre form a coherent natural composition that would be impossible to reproduce once the original surfaces were removed.

LAPIDARY POTENTIAL:
Faceting would permanently remove the dense geological surface textures, sculptural morphology and, most importantly, the exceptional natural adamantine lustre distributed around the specimen. For this reason, preservation as a complete natural rough diamond is considerably more appropriate for a crystal whose principal aesthetic and collector qualities reside precisely in its untouched surface architecture.

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Photography and transparency:
All photographs are taken under controlled lighting conditions using a macro lens, carefully selected to present each specimen as accurately as possible.
No filters, colour enhancement, or artificial saturation are applied.
The lighting setup uses a calibrated 5500K light source, replicating neutral daylight to reveal natural tones, surface features, and internal characteristics. Under warmer or weaker indoor lighting, colours may appear slightly different, which is normal.
The purpose of this photographic process is documentation and representation, not visual enhancement. Images are intended to reflect the specimen faithfully as it appears under balanced natural light conditions.

Identification and ethics:
All specimens offered are natural and described to the best of our knowledge, based on direct sourcing, professional experience, and information provided by trusted suppliers working at the origin.
Every effort is made to ensure transparency and accuracy regarding identification, locality, and general characteristics, avoiding misleading statements about treatment, provenance, or nature.

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These charges are not included in the auction price or shipping cost and are determined by the buyer’s local authorities.

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We sincerely thank you for your trust. Our work focuses on careful selection, accurate representation, and respectful presentation of mineral specimens with character and interest.
Each piece is chosen for its individual qualities rather than speculative or financial considerations. We aim to provide a transparent, reliable, and consistent experience for collectors at all levels.

With gratitude,
GemPulse Minerals