Natural Spinel · 0.61 ct · Cushion · Light Purple · Unheated · Africa

$100.66

Natural Purple Spinel weighing 0.61 ct, displaying a refined light purple colour in an elegant cushion mixed cut. Measuring 5.27 × 4.48 × 2.86 mm, this transparent gemstone offers good brightness, balanced proportions and attractive natural character. ALGT certified and sealed, with no indication of heating.

1 in stock

NGB Reference: NGB-000906 SKU: SL-SPI776SP-676-81 Category: Brand:
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This natural Purple Spinel weighs 0.61 carat and is fashioned in an elegant cushion mixed cut, combining softly rounded proportions with a faceting arrangement designed to enhance the gemstone’s light purple colour and transparent appearance.

The gemstone is accompanied by ALGT Colored Stone Identification Report No. 77667681, which identifies the specimen as Natural Spinel, variety Purple Spinel.

Measuring approximately 5.27 × 4.48 × 2.86 mm, the stone presents a compact cushion outline suitable for individual jewellery design. Its transparent body allows light to interact effectively with the internal facet structure, while the light purple colour gives the gemstone a refined and understated appearance.

Purple Spinel is valued for its natural range of violet, lavender and purple hues. This specimen displays a light purple body colour, producing a softer visual character than more deeply saturated purple material while retaining the brightness and transparency associated with gem-quality Spinel.

The mixed-cut facet arrangement combines different facet styles to balance brilliance, colour presentation and overall shape retention. In this specimen, the cushion outline provides a classic and versatile face-up appearance suitable for rings, pendants or other custom jewellery applications.

Spinel belongs to the cubic crystal system and is naturally singly refractive, contributing to its characteristic clarity and bright surface reflections. Unlike many coloured gemstones, Spinel is also frequently encountered without routine heat treatment.

ALGT records no indication of heating for this gemstone. This wording is retained exactly as reported and should not be interpreted beyond the scope of the laboratory observation.

The gemstone is stated as originating from Africa. Unless specifically confirmed by an origin-determination laboratory report, this should be regarded as the reported geographic source rather than a laboratory-certified origin.

The gemstone is supplied sealed and accompanied by its original ALGT identification report, preserving the direct connection between the stone and its laboratory documentation.

With its transparent body, delicate light purple colour and elegant cushion mixed cut, this 0.61 ct natural Purple Spinel is an attractive choice for fine jewellery or gemstone collecting. Its documented natural identity and lack of indication of heating add further gemmological interest to the specimen.

Overall Score: 84/100

NGB Grade: Very Good

Quality Evaluation

Color17.0/20
Clarity16.0/20
Cut17.0/20
Optical Performance17.0/20
Overall Appeal17.0/20

Evaluation Notes

This natural Purple Spinel presents a **very good overall gemmological quality profile**, combining a transparent body with a refined light purple colour and a well-proportioned cushion mixed cut. Fine natural inclusions and subtle growth-related features are present but have only a limited influence on transparency and face-up appearance. The relatively light colour saturation slightly reduces visual intensity compared with more vivid purple Spinel, while the gemstone retains good brightness, clean presentation and balanced proportions. Overall, the combination of transparency, cutting quality, natural colour and documented untreated condition supports a strong **84/100** assessment.

Species

Spinel

Gemstone Variety

Spinel

Color

Purple

Shape

Cushion

Cut

Mixed Cut

Treatment

Unheated, Untreated

Origin

Africa

Transparency

Transparent

Gemological Properties

Carat Weight0.61 ct
Dimensions5.27 × 4.48 × 2.86 mm
TransparencyTransparent
ClaritySI
Refractive Index1.712–1.736, commonly around 1.718 for gem-quality Spinel
Specific Gravity3.58–3.61
Hardness8 Mohs
BirefringenceNone
Crystal SystemCubic
Dispersion0.020
LusterVitreous
Color DescriptionLight Purple
Transparency NotesTransparent; assessed together with the specimen-specific clarity and internal characteristics.
Natural CharacteristicsNatural specimen-specific internal characteristics. Fine natural inclusions, subtle internal growth features and minor structural variations may be visible within the transparent Purple Spinel. These may include small mineral crystals, healed fissures or fine internal features formed during natural crystal growth. The inclusions have limited impact on the overall transparency and face-up appearance, while the light purple body colour remains clearly expressed.

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