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Natural Amethyst · 0.511 ct · Round
Natural Amethyst · 0.511 ct · Round
Natural Amethyst · 0.511 ct · Round
Natural Amethyst · 0.511 ct · Round
Natural Amethyst · 0.511 ct · Round
Natural Amethyst · 0.511 ct · Round
Natural Amethyst · 0.511 ct · Round
  1. Natural Amethyst · 0.511 ct · Round
  2. Natural Amethyst · 0.511 ct · Round
  3. Natural Amethyst · 0.511 ct · Round
  4. Natural Amethyst · 0.511 ct · Round
  5. Natural Amethyst · 0.511 ct · Round
  6. Natural Amethyst · 0.511 ct · Round
  7. Natural Amethyst · 0.511 ct · Round

Natural Amethyst · 0.511 ct · Round

€ 11,10

Natural Amethyst weighing 0.511 ct and measuring approximately 4.9 × 4.9 × 3.2 mm, fashioned in a round brilliant cut. The gemstone displays a light to medium violet-purple colour with brighter lilac flashes and good visual presence for its size. Natural inclusions are visible and contribute to the individual character of the stone, while the round shape makes it suitable for rings, earrings, pendants or accent jewellery.

1 in stock

NGB Reference: NGB-000508 SKU: FA-AMET026MP-003-381 Category: Brand:
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Natural Amethyst weighing 0.511 ct and measuring approximately 4.9 × 4.9 × 3.2 mm, fashioned in a classic round brilliant cut.

The gemstone displays a light to medium violet-purple body colour with brighter lilac and purple flashes appearing across the crown as the stone moves under light. The colour is attractive and lively, with slightly deeper violet concentration toward parts of the outer facet structure.

Clarity is assessed as I. Multiple natural internal inclusions are visible under magnification and can also be observed from certain face-up viewing angles. These include small reflective features, internal veils and localized inclusion concentrations that give the gemstone an unmistakably natural character.

Despite the visible inclusions, the stone remains translucent to transparent overall and still produces pleasing flashes from the round brilliant facet arrangement. The circular outline is well proportioned, with a balanced presentation and good visual presence for its 0.511 ct weight.

Its approximately 4.9 mm diameter makes this natural Amethyst suitable for delicate rings, earrings, pendants or accent jewellery where natural character and a vivid violet-purple appearance are desired.

Overall Score: 84.0/100

NGB Grade: Very Good

Quality Evaluation

Color17.0/20
Clarity13.0/20
Cut18.0/20
Optical Performance18.0/20
Overall Appeal18.0/20

Evaluation Notes

This 0.511 ct natural Amethyst displays an attractive light to medium violet-purple colour with brighter lilac flashes and slightly deeper violet concentration toward parts of the outer facet structure.
The round brilliant cut gives the stone a balanced circular outline and produces good flashes across the crown. Light return is reasonably lively for the size, although the visible internal inclusions interrupt transparency and optical continuity in several areas.
Clarity is the principal limiting factor. Numerous natural internal characteristics are visible, including pinpoint inclusions, internal veils and localized reflective features. These inclusions are noticeable face-up and are consistent with the assigned I clarity grade.
The cut and symmetry appear good overall, with a pleasing proportion and attractive face-up presentation. Polish also gets grade good.
Despite its included nature, the gemstone retains an appealing violet colour and sufficient brilliance to remain visually attractive, particularly for jewellery where natural character is appreciated.

Species

Quartz
Gemstone Variety

Amethyst
Color

Purple
Shape

Round
Cut

Brilliant Cut
Treatment

Unheated, Untreated
Transparency

Transparent

Gemological Properties

Carat Weight0.511 ct
Dimensions4.9 × 4.9 × 3.2 mm
TransparencyTransparent
ClarityI
Refractive Index1.544–1.553
Specific Gravity2.65
Hardness7 Mohs
Birefringence0.009
Crystal SystemTrigonal
Dispersion0.013
LusterVitreous
Color Descriptionlight to medium violet-purple with brighter lilac flashes
Transparency NotesTransparent.
Natural CharacteristicsThe gemstone shows clearly visible natural internal characteristics consistent with Amethyst, including numerous pinpoint inclusions, fine internal veils and localized reflective inclusion clusters. Some inclusions are visible face-up, in line with the assigned I clarity grade. Subtle internal growth-related features and minor colour zoning are also present, with lighter lilac areas alternating with slightly deeper violet-purple zones. These variations contribute to the natural appearance of the gemstone. The stone remains translucent to transparent overall, although the internal characteristics reduce clarity and slightly interrupt light transmission in several areas. No dominant structural fracture is apparent, but the inclusion pattern is sufficiently pronounced to remain noticeable without magnification from certain viewing angles. These inclusions and colour variations are natural characteristics formed during crystal growth and contribute to the individual identity of the gemstone.

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