4.84 Ct. Ruby from Thailand

This AGL certified, transparent red ruby weighing 4.84 carat presents a cushion shape with precise dimensions of 10.48 by 7.40 by 5.36 millimeters, a scale and profile that suit both bold and refined jewelry designs. The cutting style is faceted, executed as a mixed brilliant cut that combines a brilliant pavilion to maximize scintillation with a faceted crown that enhances face up color and dispersion. The gem displays vivid color intensity, a balance of saturated primary red hues with minimal secondary overtone, and an excellent polish that gives crisp facet junctions and highly reflective facet arrays. Clarity evaluated as slightly included at eye level indicates the presence of inclusions that are detectable under close inspection but do not materially compromise transparency or light performance, and they contribute to the stone being identifiable as natural. The enhancement noted is heated with residue, a treatment documented on the AGL report, and the stone is of Thai origin, reflecting a regional footprint in the cutting and heating history that informs both its aesthetic and care considerations.

From a gemological and craftsmanship perspective the mixed brilliant faceting yields a controlled balance between brilliance and depth. The larger table and brilliant pavilion facets promote return of white light and lively scintillation, while the step influenced crown planes introduce color zoning management and a refined windowing effect that keeps the color vivid across the face of the stone. The excellent polish indicates high quality lapidary work, with smooth facet planes and minimized abrasions for optimal light interaction. Slight inclusions observed at eye level are most likely internal crystals or healed fractures that remained stable during heating, and because the enhancement record specifies residue, it is prudent to interpret these inclusions as having been affected by flux or other heating media during treatment, necessitating specialized cleaning protocols. The AGL certificate verifies identity, origin, and treatment, and these parameters guide the selection of mounting and finishing techniques to preserve clarity and color while ensuring longevity.

This ruby adapts exceptionally well to customized jewelry settings, offering designers a versatile canvas. For ring design, classic four or six prong settings will allow maximum light entry and highlight the cushion silhouette, while a low bezel or partial bezel will provide protection for active wear, and a cathedral shank can elevate the table to emphasize face up color. A halo of calibrated melee diamonds set in pavé or bead settings will intensify the perceived color through contrast and create a larger visual footprint for the center stone. For high end bespoke work, consider side stone geometries such as tapered baguettes or trapezoids that follow the cushion proportions and create a refined transition from band to center. Pendant and earring executions benefit from open back settings that permit light through the pavilion to animate the stone, and matched halo clusters can deliver symmetry and balance for paired pieces. For mens jewelry, flush settings, bezel cups with reinforced shoulders, or three stone configurations with strong metalwork will secure the stone and suit daily wear.

Practical considerations for customization address both technical setting details and long term care. Given the dimensions and depth of 5.36 millimeters, jewelers should craft a custom seat to achieve even girdle support and avoid excessive pressure on facet junctions, and a secure pavilion clamp technique or full bezel seat will distribute stress and reduce risk of chipping. Because the treatment history records heated with residue, avoid ultrasonic and harsh steam cleaners without consulting a treatment specialist, and favor warm soapy water and a soft brush for routine maintenance to prevent any mobilization of residual material. Metal choice will influence perceived color, with warm yellow or rose gold enhancing the ruby s red saturation and platinum or white gold offering modern contrast and a cooler orientation. The Natural Ruby Company recommends sending the AGL report to your bench jeweler so the mounting can be designed using the verified parameters, and advises testing of prototype seats to ensure the stone sits securely and the setting complements the mixed brilliant facet architecture. With thoughtful setting choice and artisanal mounting techniques this 4.84 carat cushion ruby can be transformed into a striking solitaire ring, an heirloom pendant, a diamond framed engagement piece, or an elegant pair of earrings, each configuration showcasing the ruby s vivid color, fine polish, and enduring character.