3.11 Ct. Yellowish Green Tourmaline from Africa

This transparent 3.11 carat cushion shape yellowish green tourmaline measures 8.26 by 6.64 by 6.31 millimeters, and it presents a precise faceted execution in a mixed brilliant cut. The mixed brilliant approach integrates a faceted crown with brilliant style facets and a pavilion that balances brilliant and step elements, creating both broad flash and scintillation. Clarity is graded very slightly included at eye level, with inclusions that are fine and well positioned, preserving a clean face up appearance. Color intensity is classified as intense, the tone leaning toward a vivid yellowish green that remains lively under varied lighting, and polish is excellent, producing crisp facet junctions and high light return. The stone has been heat treated, a standard enhancement to stabilize and intensify hue, and the material provenance is Africa, reflecting the characteristic zoning and saturation seen in well selected tourmalines from that region.

From a gemological and lapidary perspective the mixed brilliant cut used here optimizes both color saturation and light performance. The cushion outline combined with a moderately deep pavilion, implied by the 6.31 millimeter depth relative to the length, concentrates internal reflections and yields pronounced flashes across larger crown facets. The crown faceting pattern produces broad color windows and strong fire from the pavilion facets, while the faceted girdle and excellent polish minimize light leakage. Tourmaline commonly exhibits pleochroism, and this specimen displays subtle shifts between greener and more yellowish tones as the stone is rotated, a quality that the cutter exploited by orienting the pavilion and crown to emphasize the most desirable face up color. The very slightly included clarity grade ensures that inclusions do not significantly interrupt facet patterns or compromise structural integrity, making this gem suitable for a variety of settings that benefit from both optical performance and durability.

This tourmaline adapts exceptionally well to customization across a wide range of jewelry settings, and The Natural Gemstone Company can advise on mounting choices to both enhance color and protect the stone. For maximum brilliance and light return, an open back solitaire or halo setting with minimal bezel material will allow back light to animate the intense green, while a halo of small white diamonds or colorless accent stones will increase perceived size and contrast, emphasizing the yellowish green hue. For everyday wear, a low profile bezel or a semi bezel setting offers superior edge protection and reduces the risk of chip or abrasion, an important consideration given tourmaline hardness on the Mohs scale of approximately 7 to 7.5. East west orientation and tension settings create modern silhouettes, whereas a cathedral or pronged solitaire highlights the cushion outline and maximizes vertical presence. Pairing as studs or drop earrings benefits from matched open back or closed back mounts depending on the desired saturation, and custom three stone or trilogy designs allow side stones to harmonize color temperature and total carat weight.

In commissions The Natural Gemstone Company provides technical support throughout the design and setting process, including recommendations for prong count and thickness, bezel wall height, and optimal metal choices to complement the tourmaline palette. For instance yellow gold will warm the yellow component of the gem, while white gold or platinum will emphasize the green saturation and deliver a cooler, more contemporary look. We can produce CAD renderings and sample mountings to preview how pavilion depth and table size influence face up appearance in specific settings, and we offer optional independent gem reports to document the heat treatment and origin. This tourmaline is an excellent candidate for bespoke engagement rings, fine cocktail rings, or matched high end earring suites, and our team is ready to discuss bezel profiles, gallery work, and secure prong engineering to ensure both beauty and longevity. Contact The Natural Gemstone Company to review mounting options, confirm production timelines, and arrange viewing or secure delivery.