4.14 Ct. Cabochon Tiger's Eye from Ceylon (Sri Lanka)

This 4.14 carat round golden brown tiger eye presents as a carefully proportioned cabochon with dimensions 9.84 x 9.90 x 5.62 mm, originating from Ceylon Sri Lanka, and finished to an excellent polish. Evaluated at eye level, the clarity grade is opaque, which is characteristic for chatoyant quartz pseudomorphs derived from fibrous amphibole templates. The material exhibits the classic golden to deep brown banding that defines tiger eye, with the color intensity recorded as not applicable for this specimen due to its opaque nature, yet the tonal contrast between the lighter golden bands and the darker brown ground is immediately discernible. No enhancement has been applied, preserving the natural silica structure and the original orientation of the fibrous inclusions that produce the optical banding. As a market ready gem, this stone is supplied with accurate weight and dimension data, combined with provenance from Ceylon Sri Lanka to assist technical buyers who require origin information for sourcing and valuation.

The cutting approach for this piece emphasizes geometric cabochon shaping rather than traditional faceting, with a deliberate dome geometry that functions as a faceting analogue to maximize light play. The cutter established a controlled spheroidal curvature and a parallel band alignment to the table plane so that incident light intersects the fibrous chatoyant planes at the optimum angle, producing a crisp moving band across the surface. The dome height of 5.62 mm in relation to the approximate 9.9 mm diameter yields a height to diameter ratio that is favorable for a strong, singular cat eye stripe, while the near perfect round outline ensures rotational symmetry and consistent optical performance under varying viewing angles. Secondary microfaceting at the girdle and careful polishing technique were used to remove surface abrasions without rounding the critical banding edges, preserving the stone topography that concentrates reflected light into a high contrast chatoyant line. The excellent polish enhances specular reflection from the silica matrix, allowing the light guided by the fibrous structure to appear as a vivid, mobile band, and this optical phenomenon is accentuated by the unenhanced natural character of the material.

For application in fine jewellery, the optical geometry of this tiger eye suggests settings that respect its band orientation and dome profile. Bezel settings with a low profile rim will protect the dome while allowing the band to be viewed without obstruction, whereas open gallery oval or round mountings that permit light to reach the stone from multiple angles will maximize dynamic movement of the chatoyancy. The stone sits well in centre stone roles for rings or as focal beads in bespoke pendant designs. Given the material hardness in the range of 6.5 to 7 on the Mohs scale, standard care with a soft cloth and mild soapy water is recommended, avoiding harsh abrasives and thermal shock that can affect polish and integrity. The Natural Gemstone Company presents this gem as a technical specimen for connoisseurs who value precise cutting geometry, documented origin, and natural unenhanced material, it is an ideal selection for craftsmen seeking a predictable, high performance chatoyant focal stone for artisanal or production level jewellery projects.