3.02 Ct. Blue Sapphire from Ceylon (Sri Lanka)

This 3.02 carat, transparent blue sapphire from Ceylon, Sri Lanka is presented in a classical emerald cut, with finished dimensions of 8.53 by 7.10 by 4.97 millimeters, and a length to width ratio of approximately 1.20, producing a balanced rectangular profile well suited to rings and pendant settings. The measured depth relative to the average of length and width is approximately sixty three point six percent, a proportion that supports the step cut geometry and preserves broad, mirror like flash without appearing overly deep. The stone is catalogued as very very slightly included when evaluated at eye level, and the overall transparency is high, allowing internal facets to interact cleanly with incident light. The weight to size ratio is consistent with material density for natural corundum, and the polished girdle and facet junctions indicate careful preform and final cutting stages.

Color in this sapphire is classified as medium intensity blue, a tone and saturation that reflects the classic Ceylon character of lively, cool blue with subtle violet secondary hues under certain angles of view. Natural sapphires of Sri Lankan origin commonly show dichroism, and this stone displays measurable pleochroism with a blue to bluish violet shift on orthogonal axes, producing dynamic color shifts as the finger or light source moves. The medium intensity allows well defined table and step facet reflections without overwhelming darkness, and saturation is sufficient to read as vivid to the eye while maintaining good light return through the pavilion. The enhancement history is heat treatment, a stable and industry accepted process that improves color uniformity and can reduce or modify the appearance of minute silk or crystal inclusions, while preserving the natural corundum structure and long term durability.

The emerald cut used here employs parallel step facets on the crown and pavilion, with truncated corners to reduce chipping risk and to assist in secure mounting. The cut emphasizes broad flash and color zone display rather than scintillation, creating a hall of mirrors effect across the table and first steps. Facet alignment is precise, with crisp facet junctions and symmetrical outline that maximize the apparent face up size for a three carat weight. The polish is graded excellent, indicating smooth facet planes and minimal abrasion marks, and the table is proportioned to balance color and light return. The cutter maintained conservative pavilion step angles to avoid dark extinction zones, and the crown height complements the table to retain face up brightness which is important for step cut sapphires to show their color and clarity advantage.

From a durability and daily wear perspective this sapphire is highly suitable for frequent use in jewelry. Corundum rates nine on the Mohs hardness scale, making it second only to diamond in common gem materials for resistance to surface abrasion, and it has no true cleavage planes, which reduces the risk of catastrophic breakage from lateral impact, though corundum is brittle and can chip on pronounced edges if struck. The emerald cut corners are truncated and therefore less vulnerable than sharply pointed corners, and for maximum longevity a bezel setting or four to six protective prongs that cover the truncated corners is recommended. Heat treated natural sapphires are generally stable to ultrasonic and steam cleaning when no fissure filling is present, but routine maintenance should include periodic professional inspections of the setting, safe cleaning with warm soapy water and a soft brush for at home care, and avoidance of harsh chemicals and extreme temperature shocks. The Natural Sapphire Company provides full disclosure of origin and enhancement, and we can recommend and execute setting options that protect the pavilion and girdle while showcasing the step cut geometry, ensuring this 3.02 carat Ceylon sapphire performs beautifully as a daily wear ring or an heirloom pendant.