0.70 Ct. Aquamarine from Mozambique

This description concerns a single, transparent 0.70 carat oval blue aquamarine, with exact dimensions of 7.14 x 5.26 x 3.68 mm, originating from Mozambique. The stone presents a light color intensity, and the clarity has been evaluated as very slightly included at eye level. The cutting style is a mixed brilliant cut, and the finish shows an excellent polish. The gemstone has been heat treated to enhance its blue tone, a common and stable enhancement for aquamarine, and the overall transparency and low inclusion profile allow for a clean face up appearance. The proportions and exact measurements were selected to balance face up size, depth for structural integrity, and the optical requirements of the mixed brilliant faceting scheme, producing a gem that reads clean and luminous in hand and in finished jewelry. The Natural Gemstone Company supplies this aquamarine with full disclosure of origin and treatment, along with the measured dimensions and the visual clarity assessment.

The mixed brilliant cut applied to this oval aquamarine is central to its optical performance, deliberately marrying a brilliant facet arrangement on the crown with a modified step pattern on the pavilion. This combination concentrates and returns light efficiently while preventing excessive windowing that can cause areas of low light return in lighter colored stones. In practical terms the crown facets act to capture incident light and refract it into a multiplicity of internal pathways, while the pavilion facets, with their stepped planes, redirect and focus those pathways back through the crown, producing controlled brilliance and measured scintillation. The oval outline further influences light dynamics by elongating the face up area and producing a ribbon of consistent light return along the longitudinal axis, which enhances perceived size and contributes to a broad, steady flash pattern rather than isolated pinpoint sparkle. The depth of 3.68 mm in relation to the 7.14 x 5.26 mm table and girdle proportions was chosen to support an effective pavilion angle set, optimizing internal reflection angles for aquamarine refractive properties so that the maximum proportion of incident light is returned to the viewer.

The physical characteristics of this aquamarine further support the intended optical result, the very slightly included clarity grade means that inclusions are minimal and do not obstruct key light pathways at normal viewing distances, allowing the cut to perform without significant interruption from internal features. The excellent polish enhances facet junction crispness, which is essential for sharp light return and for minimizing surface light diffusion that can reduce perceived luster. Heat treatment applied to this stone has been executed to refine hue toward the clear blue typical of fine aquamarine, and the treatment is stable under normal wear and conventional cleaning, ensuring the cut remains the primary determiner of long term visual performance. The light color intensity of the stone benefits from the mixed brilliant design, because the controlled pavilion geometry helps concentrate color face up without sacrificing brightness, producing an even, watery blue that reads true under daylight and most artificial lighting conditions.

When considered for mounting, the gem will display its engineered light performance most effectively in settings that allow light to enter the crown unobstructed, while the oval shape lends itself to both traditional prong work and protective bezel designs depending on wearer activity and design preference. The balance between an efficient light return and a pleasing, soft aquamarine hue makes this gem suitable for a variety of jewelry roles where a consistent, refined appearance is desired. The Natural Gemstone Company provides this description to aid in selection and evaluation, and the provided measurements and treatment disclosure support a transparent assessment of the stone. For any further technical details regarding facet counts, proportions, or recommended setting specifications, please contact The Natural Gemstone Company for a precise consultation.