- Stone16
- Reports3
















6.58 Ct. Purple Amethyst from Brazil
This loose stone is available to ship now
Item ID: | K29459 |
|---|---|
Dimensions (MM): help | Length: 12.19 Width: 12.23 Height: 8.53 |
Weight: | 6.58 Ct. |
Color: help | Purple |
Color intensity: help | Intense |
Clarity: help | Very Very Slightly Included |
Shape: help | Round |
Cut: | Mixed Brilliant Cut |
Cutting style: | Faceted |
Enhancements: help | No Enhancement |
Origin: help | Brazil |
Per carat price: help | $10 |
This 6.58 carat round purple amethyst from Brazil, presented by The Natural Gemstone Company, is a study in precise lapidary execution and natural color intensity. The stone measures 12.19 by 12.23 by 8.53 millimeters, yielding a depth that is approximately sixty nine point nine percent of the average diameter, a proportion chosen to emphasize color saturation while preserving strong light return. The cutting style is faceted, executed as a mixed brilliant cut with a brilliant facet arrangement on the crown combined with a pavilion plan that deepens light paths to enrich the visual intensity of the purple. The clarity grade has been evaluated at eye level as very very slightly included, with inclusions that are minute and non disruptive to the stone s overall transparency and scintillation. No enhancement has been applied, the color and clarity are entirely natural, and the excellent polish attests to careful final finishing and sharp facet junctions.
From a faceting perspective, the mixed brilliant architecture of this gem is optimized to balance three competing optical objectives, namely color saturation, internal light return, and dynamic scintillation. The crown is cut with a traditional brilliant schema of star facets, bezel facets, and upper girdle facets that work together to refract and break incident light into localized flashes. The pavilion is executed with deeper pavilion facets than a strictly ideal brilliant, a deliberate choice for amethyst which benefits from extended optical path length to deepen and unify purple saturation. Facet planes meet at crisp junctions, and facet symmetry is controlled to maintain a centralized table window for stable face up appearance. The girdle has been finished to provide secure mounting without unnecessary light leakage, and the excellent polish across all facet planes ensures that surface luster does not diminish internal reflections, allowing the mixed brilliant cut to perform consistently in a variety of lighting environments.
Color and clarity interplay in this amethyst to deliver an intense, immediately legible purple that reads richly at a distance and reveals tonal complexity upon closer inspection. The primary hue is a deep purple, with violet overtone and a subtle cool blue bias visible at certain angles and in spot lighting, contributing to the perception of depth. The intensity grade has been assessed as intense, indicating strong chroma with minimal dilution by brown or gray modifiers. Clarity evaluated at eye level as very very slightly included indicates that any internal features are very small and located predominantly in the lower half of the pavilion, positions that typically have minimal impact on face up appearance and on the path of light responsible for brilliance. Because the stone is natural and unenhanced, the color will remain authentic over time, responding predictably to light exposure and conventional wear patterns. The quartz hardness of seven on the Mohs scale provides robust resistance to everyday abrasion, and the excellent polish will help the stone maintain lively surface reflection with routine care.
For long term enjoyment and to ensure that this amethyst continues to captivate over years of wear, the setting and care choices are important. The mixed brilliant cut presents a strong face up presentation suitable for solitaire prong settings that allow maximum light access to the crown, or for halo configurations that use accent stones to amplify perceived size and brightness. For wearers seeking a lower profile and enhanced protection, a partial bezel or flush setting can secure the stone while still showcasing the table and crown facets. Because the gem is untreated, avoid prolonged exposure to strong ultraviolet sources and to high heat, conditions that can alter color in some natural amethysts although most material from Brazil is quite stable under normal conditions. Clean with warm soapy water and a soft brush, and avoid harsh chemicals and abrasive cleaners. For ultrasonic cleaning, consult our specialists at The Natural Gemstone Company if the piece is to be set with mixed metals or intricate mountings.
This Brazilian amethyst is a compelling option for the buyer who values technical refinement, natural provenance, and enduring visual impact. The combination of a mixed brilliant cutting strategy, excellent polish, intense natural color, and a clarity grade evaluated as very very slightly included at eye level produces a gem that reads as both technically considered and immediately beautiful. The Natural Gemstone Company stands behind the material origin and the statement that no enhancement has been performed, offering traceability and detailed imaging to assist in final design decisions. Set with attentive craftsmanship and maintained with routine care, this 6.58 carat round amethyst will retain its strong face up presence and continue to captivate through years of wear, presenting a balance of optical performance and natural character that rewards both immediate appreciation and long term ownership.

























