28.50 Ct. Blue Aquamarine from Brazil

This exceptional blue aquamarine offered by The Natural Gemstone Company is a beautiful transparent emerald cut weighing twenty eight point five zero carats, with dimensions of twenty two point one one by sixteen point zero five by ten point six six millimeters. The stone displays a classic emerald cut, a step cut that emphasizes depth of color and clarity, and it has been evaluated as eye clean at normal viewing distance, which means no inclusions are visible to the unaided eye under standard lighting conditions. Color intensity is described as intense, a rich pure blue that is both vivid and evenly distributed across the pavilion and crown, and the gem has an excellent polish indicating expertly finished facets and crisp facet junctions. This aquamarine originates from Brazil, a source known for producing large clean crystals from pegmatite environments, and it has been heat treated to enhance and stabilize its blue hue, a standard and widely accepted enhancement for aquamarine that is stable over time.

For an educated buyer the combination of attributes that this stone presents is significant. Color is the primary driver of value in aquamarine and an intense, evenly saturated blue in a large carat weight specimen is comparatively rare, particularly when accompanied by eye clean clarity. The emerald cut is an intelligent choice for a gem of this size, because the long step facets create broad flashes of color and a window to the stone interior, thereby showcasing the purity and depth of the blue without the distraction of excessive scintillation. The measurements give this gem a balanced profile, with a depth that sits at an ideal proportion to produce attractive face up area and color saturation, and the excellent polish contributes to crisp light return and a refined overall appearance. From a gemological perspective aquamarine is a variety of beryl, with a refractive index that typically sits around one point five seven to one point five eight, modest birefringence that helps maintain an even color, and a specific gravity in the range of approximately two point six eight to two point seven four, values that support its identity and help gemologists and buyers recognize the material.

Durability is a key consideration for daily wear and here this aquamarine performs well. Beryl family gems, including aquamarine, have a Mohs hardness typically between seven point five and eight, which provides resistance to scratching from most common materials and makes the stone suitable for rings, pendants, and everyday jewelry, with appropriate care. Toughness for aquamarine is generally good, though like other beryls it can show parting or imperfect cleavage along certain crystallographic directions, so a protective setting that shields the corners and edges will maximize longevity. Because this particular specimen is eye clean and not fracture filled, it tolerates routine cleaning with warm water, mild detergent, and a soft brush, and most jewelers find ultrasonic cleaning acceptable for heat treated aquamarine, though it is prudent to avoid steam cleaning if there is any uncertainty about internal features or treatments. Heat treatment used on this gem is a common and stable enhancement applied to reduce greenish tones and promote pure blue color, it is not a surface coating or filling, and the color achieved by this method is permanent under normal wear conditions.

For design and investment minded buyers the combination of size, color, and clarity makes this aquamarine a rare offering from The Natural Gemstone Company. A twenty eight point five zero carat emerald cut stone of intense blue and eye clean clarity lends itself to a variety of high impact settings, including shielded four prong settings with reinforced corners, bezel mounts for daily wear security, or a bespoke pendant that allows the gem to command presence on a chain. Matching metal choices range from platinum or white gold to accentuate the cool blue tones, to yellow or rose gold for a pronounced contrast and vintage inspired presentation. Provenance from Brazil adds appeal for collectors who favor stones with well documented regional origins and pegmatitic formation, and because the gem has been expertly cut and polished it requires minimal recutting or alteration, preserving carat weight and face up presence. If you prioritize a statement quality aquamarine that combines gemological integrity with wearable durability, this Brazilian emerald cut aquamarine from The Natural Gemstone Company is a compelling option, and we are available to provide additional documentation, imagery, and custom setting recommendations to ensure the gem is set and maintained to the highest standards.