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Natural Amethyst · 0.251 ct · Round Brilliant Cut
Natural Amethyst · 0.251 ct · Round Brilliant Cut
Natural Amethyst · 0.251 ct · Round Brilliant Cut
Natural Amethyst · 0.251 ct · Round Brilliant Cut
Natural Amethyst · 0.251 ct · Round Brilliant Cut
Natural Amethyst · 0.251 ct · Round Brilliant Cut
Natural Amethyst · 0.251 ct · Round Brilliant Cut
Natural Amethyst · 0.251 ct · Round Brilliant Cut
Natural Amethyst · 0.251 ct · Round Brilliant Cut
  1. Natural Amethyst · 0.251 ct · Round Brilliant Cut
  2. Natural Amethyst · 0.251 ct · Round Brilliant Cut
  3. Natural Amethyst · 0.251 ct · Round Brilliant Cut
  4. Natural Amethyst · 0.251 ct · Round Brilliant Cut
  5. Natural Amethyst · 0.251 ct · Round Brilliant Cut
  6. Natural Amethyst · 0.251 ct · Round Brilliant Cut
  7. Natural Amethyst · 0.251 ct · Round Brilliant Cut
  8. Natural Amethyst · 0.251 ct · Round Brilliant Cut
  9. Natural Amethyst · 0.251 ct · Round Brilliant Cut

Natural Amethyst · 0.251 ct · Round Brilliant Cut

$11.03

Natural Amethyst weighing 0.251 ct and measuring approximately 4.0 × 4.0 × 2.6 mm, fashioned in a classic round brilliant cut. The gemstone displays an attractive medium violet-purple colour with lively lighter purple flashes, good transparency and pleasing brilliance. Its compact round format makes it well suited for delicate rings, earrings, pendants or accent settings.

1 in stock

NGB Reference: NGB-000506 SKU: FA-AMET026MP-003-377 Category: Brand:
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Natural Amethyst weighing 0.251 ct and measuring approximately 4.0 × 4.0 × 2.6 mm, fashioned in a classic round brilliant cut.

The gemstone displays a medium violet-purple body colour with lively lighter purple flashes appearing across the crown as the stone moves under light. Colour quality is assessed as very good, with attractive saturation and enough brightness to maintain a lively face-up appearance.

Clarity is assessed as SI. Natural internal characteristics are visible under magnification and can occasionally be noticed depending on the viewing angle and lighting, but they do not prevent the gemstone from showing attractive brilliance and colour.

The round brilliant cut is graded from good to very good, producing a pleasing balance of brightness and internal contrast. Symmetry is very good, giving the stone a well-proportioned circular outline and balanced facet arrangement. Polish is good, with the overall surface finish supporting an attractive visual presentation.

Despite its compact size, the gemstone shows lively violet reflections and a pleasant combination of colour and brilliance. Its 4.0 mm round format makes it particularly suitable for delicate jewellery designs, including rings, pendants, earrings or accent settings.

Overall Score: 87.0/100

NGB Grade: Very Good

Quality Evaluation

Color18.0/20
Clarity16.0/20
Cut17.0/20
Optical Performance17.0/20
Overall Appeal19.0/20

Evaluation Notes

This 0.251 ct natural Amethyst presents an attractive medium violet-purple colour with lively lighter purple flashes and a pleasant overall face-up appearance.
The colour is one of the stronger aspects of the stone, showing good saturation for its small size while retaining sufficient brightness. Clarity is assessed as SI, with visible natural internal characteristics under magnification, including small inclusions and fine veils. These features are noticeable but do not dominate the gemstone’s appearance.
The round brilliant cut performs well overall, with good to very good proportions and a balanced circular outline. Symmetry is very good and contributes positively to the stone’s visual balance. Polish is good, although not at the same level as higher-grade precision-finished stones.
Optical performance is good, with attractive violet reflections and reasonable brightness, but the combination of SI clarity, good polish and a cut that falls slightly below very good to excellent limits the final score.

Species

Quartz
Gemstone Variety

Amethyst
Color

Purple
Shape

Round
Cut

Brilliant Cut
Treatment

Unheated, Untreated
Transparency

Transparent

Gemological Properties

Carat Weight0.251 ct
Dimensions4.0 × 4.0 × 2.6 mm
TransparencyTransparent
ClaritySI
Refractive Index1.544–1.553
Specific Gravity2.65
Hardness7 Mohs
Birefringence0.009
Crystal SystemTrigonal
Dispersion0.013
LusterVitreous
Color Descriptionmedium violet-purple with lively lighter purple flashes
Transparency NotesTransparent.
Natural CharacteristicsThe gemstone shows natural internal characteristics consistent with Amethyst, including small pinpoint inclusions, fine internal veils and subtle growth-related features visible under magnification. Minor internal reflections and localized inclusion concentrations can be observed from certain viewing angles, which are consistent with the assigned SI clarity grade. Slight colour zoning is present, with areas of medium violet-purple alternating with somewhat lighter purple sections. The stone remains transparent overall, and the natural inclusions do not dominate the face-up appearance. No major surface-reaching fractures or severe structural features. These internal characteristics and subtle colour variations are typical of natural quartz and contribute to the individual identity of the gemstone.

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