- Stone13
- Reports3













3.93 Ct. Orange Spessartite Garnet from Brazil
This loose stone is available to ship now
Item ID: | K31638 |
|---|---|
Dimensions (MM): help | Length: 9.77 Width: 7.9 Height: 6.14 |
Weight: | 3.93 Ct. |
Color: help | Orange |
Color intensity: help | Intense |
Clarity: help | Slightly Included |
Shape: help | Oval |
Cut: | Mixed Brilliant Cut |
Cutting style: | Faceted |
Enhancements: help | No Enhancement |
Origin: help | Brazil |
Per carat price: help | $1,110 |
This oval spessartite garnet presented by The Natural Gemstone Company weighs 3.93 carats, measures 9.77 x 7.90 x 6.14 mm, and displays a vivid orange hue with intense color intensity. The stone is transparent, faceted in a mixed brilliant cut, and finished to an excellent polish, with no enhancement applied. Clarity is graded as slightly included when evaluated at eye level, with small inclusions that confirm natural origin while minimally affecting light performance. The overall proportions deliver a strong presence for its size, and the cut proportions have been executed to balance maximum color saturation with lively scintillation and controlled light return.
From a gemological and cutting perspective this piece exemplifies the deliberate trade offs that skilled lapidaries make when working with spessartite material. The mixed brilliant cutting philosophy employed here uses a brilliant facet schema on the crown to create wide open fire and scintillation, combined with carefully arranged pavilion facets that act to concentrate and recycle light back through the crown, enhancing perceived color depth. The crown and table geometry have been selected to avoid excessive windowing, and the pavilion angles are tuned to the refractive behavior of spessartite to maximize internal reflection without inducing extinction. At 6.14 mm depth relative to the average of the length and width the stone has an effective depth that yields concentrated color, approximately 69.5 percent when compared to the average diameter, which helps produce the rich orange saturation seen in this specimen. The girdle has been kept proportional to provide secure mounting options while minimizing weight loss, and the facet junctions are crisp, contributing to the excellent polish rating and to uniform light dispersion across the face of the gem.
The geological narrative of this spessartite begins deep in the crust of what is now Brazil, where magmatic and metasomatic processes concentrated aluminum and manganese rich fluids in fractures and pegmatitic pockets millions of years ago. Under elevated temperature and pressure conditions these fluids migrated through host rock, precipitating garnet nuclei as cooling progressed, and allowing spessartite crystals to grow in well defined crystal habits over protracted timescales. The manganese chemistry of the growth environment favored the development of the intense orange to orange red chroma that defines high quality spessartite, while slow cooling permitted the formation of large, relatively inclusion free zones suitable for gem cutting. Subsequent tectonic uplift and surface weathering liberated these crystals from their primary matrix, transporting and concentrating them in alluvial deposits where they were eventually recovered. The slight inclusions observed in this stone are geological signatures of its natural history, consisting of minute mineral entrainment and fluid remnants that record the dynamic environment of formation, and they serve as authentication marks that this gem is untreated, retaining its original coloration and internal character.
When viewed on the hand the oval outline and mixed brilliant faceting translate the intrinsic material qualities into wearable brilliance, delivering controlled flashes of color and focal depth in natural light. The absence of enhancement ensures that the orange tone is entirely a function of the gem chemistry and the cutting strategy, and the excellent polish allows each facet to perform cleanly, producing crisp reflections and lively sparkle. For connoisseurs who appreciate technical nuance this spessartite offers a strong combination of size, color saturation, and lapidary precision, making it an ideal candidate for a bespoke ring or a finely engineered pendant setting. Hold this gem up to a light source and one can visualize the deep time processes that formed it, and appreciate how modern cutting techniques have translated those processes into a gem that resonates both materially and aesthetically.
























