Natural Green Peridot Rough · 1.479 ct · For Faceting

$5.22

Natural Peridot rough for faceting weighing 1.479 ct, with a bright green colour, good transparency and only limited visible inclusions. Measuring 7.3 × 4.9 × 4.2 mm, this facet-quality specimen offers high faceting potential and is recorded as unheated and untreated. An appealing choice for cutters looking for lively green Peridot rough with strong potential for a distinctive finished gemstone.

1 in stock

NGB Reference: NGB-000206 SKU: RO-PERI025GR-002-395 Category: Tags: , , , Brand:
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This natural Peridot rough weighs 1.479 carats and is presented as facet-quality material with high potential for individual cutting. The specimen combines an attractive natural green colour with a transparent appearance, allowing good visual assessment of the usable material before faceting.

Measuring approximately 7.3 × 4.9 × 4.2 mm, the rough has favourable proportions for orientation and preforming. Its available depth and elongated natural form provide useful flexibility when selecting the final cutting direction, while supporting efficient weight retention.

The material displays a pleasing green colour and good transparency, both of which contribute positively to its faceting potential. The relatively clean appearance allows internal characteristics and structural features to be evaluated before cutting, helping the cutter select the most favourable orientation and avoid unnecessary loss of usable material.

Its high faceting potential is supported by the combination of transparent material, balanced dimensions, useful depth and good colour. These characteristics provide scope for producing a well-proportioned finished gemstone with attractive optical performance, subject to the natural inclusions, fissures and growth features present within the rough.

Peridot is the gem-quality green variety of olivine, with its characteristic colour resulting primarily from iron within the mineral structure. Unlike many coloured gemstones, Peridot is commonly encountered without colour-enhancing treatment.

This specimen is recorded as unheated and untreated, with no gemstone enhancement documented for the material. Its colour, transparency and internal characteristics are therefore presented in their naturally recorded state.

As with all natural rough gemstones, minor inclusions, fine internal fissures, growth features and surface irregularities may occur. These characteristics should be considered during orientation, preforming and final cutting.

With its 1.479 ct weight, transparent green material and favourable proportions, this Peridot rough offers strong potential for efficient orientation, good weight retention and the production of an attractive individually faceted gemstone.

Overall Score: 90.0/100

NGB Grade: Excellent

Quality Evaluation

Natural Characteristics18.0/20
Inclusion Profile18.0/20
Faceting Potential18.0/20
Usable Yield / Shape Potential18.0/20
Overall Rough Quality18.0/20

Evaluation Notes

This natural Peridot rough presents an excellent overall faceting-quality profile, combining a bright green colour, good transparency and only limited visible inclusions. Its favourable proportions and usable depth support efficient orientation and strong weight-retention potential, while the relatively clean internal appearance provides good scope for an attractive finished gemstone. Overall, the material offers high faceting potential with very good colour and clarity characteristics.

Species

Olivine

Gemstone Variety

Peridot

Color

Green

Treatment

Unheated, Untreated

Transparency

Transparent

Gemological Properties

Carat Weight1.479 ct
Dimensions7.3 × 4.9 × 4.2 mm
TransparencyTransparent
ClarityNatural rough material
Refractive Index1.635-1.879 (1651-1660)
Specific Gravity3.2-4.39
Hardness6.5–7 Mohs
Birefringenceapprox. 0.036 — strong and often readily visible in faceted stone
Crystal SystemOrthorhombic
Dispersion0.020
LusterN/A
Color Descriptionbright green
Transparency NotesTransparent rough material with good light transmission, suitable for evaluating potential facet orientation.
Natural CharacteristicsNatural rough crystal structure with internal features and shape variations typical of an individual Peridot rough specimen. The rough displays a bright green body colour with good transparency and only a very limited number of visible natural inclusions. Fine internal growth features and minor fissures may be present, but they have relatively little impact on the overall clarity of the material. The combination of transparency, limited inclusions and favourable colour supports strong faceting potential.

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