- Stone8
- Reports3
-fancy-grey-spinel-1.0000-cts-k28517-1.jpg?d=200x200&v=20260826071125)
-fancy-grey-spinel-1.0000-cts-k28517-1.jpg?d=200x200&v=20260826071125)






1.00 Ct. Purple Spinel from Burma (Myanmar)
This loose stone ships by Sep 19
Item ID: | K28517 |
|---|---|
Dimensions (MM): help | Length: 7.36 Width: 5.9 Height: 3.55 |
Weight: | 1.00 Ct. |
Color: help | Purple |
Color intensity: help | Intense |
Clarity: help | Very Slightly Included |
Shape: help | Fancy |
Cut: | Step Cut |
Cutting style: | Faceted |
Enhancements: help | No Enhancement |
Origin: help | Burma (Myanmar) |
Per carat price: help | $160 |
This piece is a transparent, 1.00 carat, fancy shape purple spinel, with calibrated dimensions of 7.36 by 5.90 by 3.55 millimeters, cut in a faceted, step cutting style that emphasizes broad, planar facets and restrained brilliance, rather than brilliant dispersion. The chosen step cut organizes the crown and pavilion into larger, parallel facets which enhance the stone’s saturated body color and produce a clean, architectural light return appropriate for deeply colored spinels. Color evaluation places this specimen in the intense color intensity class, a critical parameter for purple spinel valuation, and the gem exhibits a consistent saturation across the table and pavilion with minimal zoning at all orientations. Clarity is graded as very slightly included, evaluated at eye level, indicating the presence of inconspicuous internal characteristics that do not materially disrupt face-up appearance under normal viewing, and the finish is an excellent polish, with facet junctions consistently crisp and symmetrical, optimizing both surface luster and the stone’s ability to transmit light.
From a lapidary and craftsmanship perspective, the step faceting here is executed to preserve weight while presenting an elegant, geometric silhouette. The relatively shallow girdle and controlled pavilion depth at 3.55 millimeters were selected to balance face-up size with optical performance, avoiding excessive windowing while maintaining a pleasing table-to-depth ratio for a one carat size, resulting in a face-up appearance that reads larger than many mixed-cut counterparts of the same weight. Faceting symmetry is tight, with facet planes aligned to create coherent reflections that complement the spinel’s single refractive index behavior, unlike strongly dichroic gems where orientation can dramatically alter color. The excellent polish indicates the cutter employed a fine sequence of abrasives and precise finishing laps, removing any bruting or minor abrasions that could scatter light, and the absence of enhancement, confirmed through standard gemological screening, preserves natural character and market desirability, particularly given the gem’s Burmese provenance.
Provenance and treatment status are determinative factors in secondary market valuation, and this untreated Burmese spinel stands on a favorable side of both metrics. Historically, spinel has been undervalued relative to corundum counterparts, but in recent years collector interest has increased for well-colored, untreated spinels from classic localities, with Burmese material often commanding a premium because of its historical association with fine, saturated colors and collector lore. For investors examining appreciation potential, key attributes to monitor are color intensity, absence of enhancement, clean eye-grade clarity, and a high-quality cut, all of which this specimen exhibits. While no gemstone investment is guaranteed to appreciate, pieces that combine rarity of hue with excellent lapidary execution and documented origin typically show greater price resilience and upside, particularly in markets where collectors and high-end designers seek unique, untreated stones for bespoke jewelry. Prospective buyers should obtain formal documentation, such as a full gemological report including origin and treatment analysis, to enhance liquidity and market confidence.
For application and portfolio management, this spinel is well suited for an elevated solitaire or a bespoke, architectural mount that exploits the step cut’s planar facet reflections, and its dimensions make it practical for custom bezels or three-stone configurations without significant re-cutting. As part of a diversified gemstone allocation, pairing items with different market dynamics can mitigate risk, and we note that opal type, Fire Opal, represents a separate market segment characterized by warm body colors and play-of-color for certain specimens, and therefore moves on different demand drivers than spinel; Fire Opal is classified by its transparent to translucent body color, typically in orange to red hues, and attracts buyers searching for striking color contrast rather than the saturational depth prized in spinel. The Natural Gemstone Company recommends independent certification, professional appraisal, and careful provenance documentation when acquiring high-quality, untreated material, and we provide supporting documentation and imaging to assist resale. Given the combination of intense purple color, step cutting that retains weight and emphasizes color, very slightly included clarity at eye level, excellent polish, absence of enhancement, and Burmese origin, this 1.00 carat purple spinel represents a technically refined specimen with solid long-term desirability for discerning collectors and investors.




-fancy-grey-spinel-1.0000-cts-k28517-1.jpg?d=750x750&s=ngc&v=20260826071125)
















