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3.18 Ct. Brownish Red Tourmaline from Brazil
This loose stone is available to ship now
Item ID: | K11536 |
|---|---|
Dimensions (MM): help | Length: 10.78 Width: 9.1 Height: 4.7 |
Weight: | 3.18 Ct. |
Color: help | Brownish Red |
Color intensity: help | Dark |
Clarity: help | Very Slightly Included |
Shape: help | Fancy |
Cut: | Mixed Brilliant Cut |
Cutting style: | Faceted |
Enhancements: help | No Enhancement |
Origin: help | Brazil |
Per carat price: help | $250 |
This listing presents a rare and transparent GIA certified red tourmaline, weighing 3.18 carats, in a carefully judged fancy shape, with a rich brownish red tone that reads as a mature and compelling red in natural light. The measured dimensions are 10.78 x 9.10 x 4.70 mm, giving the stone a generous face up presence for its weight, and the gem is notable for having no enhancement, which reinforces its desirability to collectors and connoisseurs who prioritize natural state and verifiable provenance. The GIA certification included with this stone provides independent confirmation of color, clarity, carat weight, and the absence of treatment, and that certification is a cornerstone of value for educated buyers because it removes uncertainty from the acquisition process. The Natural Gemstone Company is presenting this gem with full documentation and secure handling, and the combination of certified origin, unenhanced status, and an excellent polish makes this example an exceptionally clean and honest representation of a high quality Brazilian tourmaline.
On close inspection the clarity is graded as very slightly included, evaluated at eye level, a grade that indicates minimal and unobtrusive internal features when viewed without magnification. For practical purposes this clarity grade means the stone will display strong transparency and lively optical performance in jewelry, while retaining natural character that many collectors prefer over stones that have been heavily clarified through treatment. Tourmaline inclusions often take distinctive forms, and in this specimen the inclusions are fine and well distributed, without interrupting the visual flow or compromising the stone in terms of durability. The very slightly included grade, combined with the excellent polish, allows light to pass through and to be returned with good brilliance, and the absence of enhancement preserves the natural interaction between crystal structure and light. For buyers who value long term retainable value, the clarity and untreated status support both aesthetic enjoyment and market confidence.
The mixed brilliant cut geometry of this gem is engineered to maximize light play, combining facets that balance return of white light, fire, and scintillation across the crown and pavilion. In a mixed brilliant, the cutter uses a brilliant style faceting pattern on the crown to disperse and scatter light into flashes, while employing a stepped or modified pavilion structure to control internal reflection and widen the apparent color spread when the gem is viewed face up. The result in this 3.18 carat tourmaline is a vivid display of dynamic light return, where flashes of brighter red and warmer brownish red tones emerge with movement, and where facet junctions are precisely executed to avoid light leakage. The geometry is particularly well suited to tourmaline because of the gem family s typical refractive behavior, and the well calibrated pavilion depth in this stone enhances the perceived saturation without causing a loss of brightness. The excellent polish finishes each facet to a mirror like smoothness, which is essential because polish quality directly affects the sharpness of reflections and the liveliness of scintillation. In practice, this means the stone will sit beautifully in a ring head or pendant, and will interact with ambient light to provide constant, subtle changes in tone and sparkle.
Provenance in gemstones matters, and this tourmaline s origin in Brazil adds an important layer of desirability. Brazilian tourmalines are known for their wide color range and stable supply of high quality material, and collectors often prize specimens from specific regions within Brazil for their characteristic hues and crystal quality. A dark color intensity, as observed in this gem, is attractive to buyers who appreciate a richly hued stone that still retains transparency, because it combines color depth with optical clarity. The market for natural, unenhanced red and brownish red tourmaline remains strong among both jewelers and private collectors, and the combination of GIA certification, natural color, very slightly included clarity, and a sophisticated mixed brilliant cut contributes to both immediate aesthetic appeal and durable marketability. The Natural Gemstone Company stands behind the accuracy of these details, and we offer this tourmaline as a gem that will perform well in bespoke settings, as the focal point of a refined ring, or as a collectible investment with documented authenticity and traceable origin.

























