Natural blue spinel approaching 6 carats is genuinely rare — the Mogok Valley’s annual output of fine blue material is limited, and large stones with consistent colour are among the most desirable acquisitions for serious collectors. This 5.86 ct rectangular emerald-cut stone from Myanmar displays a deep, rich navy-blue with a dark, velvety quality that intensifies beautifully under incandescent lighting. The emerald cut’s large step facets reveal the stone’s impressive colour depth and excellent transparency. At this size and with this origin, this stone represents a significant collector’s acquisition. Entirely unheated and untreated. Weight: 5.86 ct | Origin: Mogok, Myanmar | Cut: Emerald | Dimensions: approx. 13.4 × 10.8 mm
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