0.89 Ct. Tourmaline from Mozambique

This single, transparent greenish yellow tourmaline is a distinctive offering from The Natural Gemstone Company, weighing 0.89 carat, with exact dimensions of 5.81 by 5.79 by 4.53 millimeters. The gem is fashioned in a round shape with a mixed brilliant cut, a cut choice that optimizes both color and light performance. It carries a clarity grade of eye clean as evaluated at eye level, showing no inclusions visible to the unaided eye, and it presents a light color intensity with an excellent polish. The stone has been heat treated, a common and stable enhancement in the trade, and it originates from Mozambique, a producing region known for gem quality tourmalines. Taken together, these attributes create a very attractive, ready to set gem that stands out for its rarity in both color and near one carat size.

Color is the primary determinant of desirability in tourmaline, and a greenish yellow hue occupies a less common corner of the tourmaline color spectrum. Tourmalines are celebrated for a wide range of colors, from intense pinks to electric blues, and greenish yellow tones are comparatively scarce at this weight and eye clean clarity. The greenish yellow color in tourmaline typically arises from trace elements in the crystal lattice, with iron often playing a dominant role in producing yellow to green shades, and in some cases minor vanadium or chromium contributions can enhance the green component. The light color intensity of this specimen gives it a delicate, sophisticated appearance that performs very well in both natural daylight and controlled indoor lighting, and the mixed brilliant cut serves to balance color saturation and scintillation so that the stone reads dynamically in jewelry without appearing too dark or overly pale.

Clarity and cut quality are equally important to an educated buyer, and this tourmaline delivers on both counts. The eye clean clarity grade means that at normal viewing distances the stone appears free of visible inclusions, a feature that materially increases the stone s appeal and market value, especially as stones approach the one carat threshold. The mixed brilliant cut combines the fire producing facets of a brilliant style on the crown with a more step like or modified pavilion, yielding a pleasing combination of sparkle and color retention. This approach is particularly effective for a light colored tourmaline because it enhances return of white light and colored flashes without sacrificing the inherent hue. Excellent polish indicates that the facet junctions are sharp and the surface is free from noticeable abrasions, factors that contribute to maximum light performance and wearability once set in a ring or pendant.

Origin and treatment disclosure are integral to how a sophisticated buyer values a gem, and this tourmaline s Mozambique provenance is meaningful. Mozambique has emerged over the past decades as a source of high quality tourmalines and other colored gemstones, producing material with clean crystallography and attractive color profiles. While origin alone does not determine value, it provides context that purchasers and appraisers use when comparing stones. Heat treatment is disclosed for this gem, and this is a widely accepted enhancement for tourmaline aimed at improving hue and removing undesirable brownish tones. Heat treatment performed correctly is stable over time and does not compromise the structural integrity of the crystal. At The Natural Gemstone Company we fully disclose this treatment and ensure transparency so that collectors and jewelry professionals can make informed decisions. Full disclosure of treatment, combined with verifiable measurements and grading comments, is the standard that serious buyers expect.

For the discerning buyer this 0.89 carat greenish yellow tourmaline represents a compelling mix of rarity, aesthetic versatility, and practical suitability for fine jewelry. Because it sits just under one carat and is eye clean, it occupies a sweet spot where visual impact and affordability meet collector interest, especially when compared to more common greens or pinks of similar size and clarity. The robust mixed brilliant cut and excellent polish make it an ideal candidate for a solitaire ring, an elegant pendant, or paired earring designs where precise color matching is possible. Tourmaline s hardness of seven to seven and a half on the Mohs scale offers reasonable durability, and with standard care such as gentle cleaning in warm soapy water and avoiding hard knocks, the gem will maintain its appearance for generations. If you seek a stone that is both rare in its greenish yellow color and rare in its combination of size and eye clean clarity, this piece from The Natural Gemstone Company is a strong choice that will appeal to informed buyers and collectors alike.