1.33 Ct. Cobalt Spinel from Tanzania

One beautiful transparent 1.33 carat cushion shape blue cobalt spinel from Tanzania, offered by The Natural Gemstone Company, presents a refined combination of size, color and cut. Measuring 6.44 by 5.72 by 4.01 mm, this gem is carefully faceted with a mixed brilliant cut to balance internal light return and color saturation, yielding lively flashes of blue across a deep dark field. The stone is fully natural, with no enhancement noted, and displays an excellent polish that lends clear facet definition and a smooth, reflective surface. The cushion silhouette provides a classic yet contemporary profile, making the gem versatile for a range of settings from elegant solitaires to bespoke designer pieces. The overall presentation is one of restrained luxury, where proportion and finish are emphasized over extraneous adornment.

The clarity of this spinel is graded very slightly included at eye level, conveying that minute internal characteristics are present without detracting from the gem quality as seen in typical wear. These subtle inclusions are consistent with origin and natural formation, and they contribute to the individuality and provenance of the stone. The dark color intensity enhances depth and presence, giving the blue a concentrated, near velvety tone that reads as sophisticated and expressive when viewed in daylight or under indoor lighting. Because the piece is unenhanced, the blue is an inherent property produced by natural trace elements, offering a stable and enduring color characteristic. Exceptional polish and careful cutting maximize the gem mood, allowing precise facet interplay and a controlled scintillation that makes the face up view memorable.

Presented as a gift, this 1.33 carat cobalt spinel will make a striking and thoughtful expression for someone special, suitable for milestone anniversaries, significant birthdays, or commemorative moments. Its combination of rarity, natural color, and craftsmanship communicates consideration and discernment, while the unenhanced origin from Tanzania speaks to authenticity and responsibly sourced allure. The cushion shape is flattering in rings, pendants, and bespoke jewelry designs, and its measured proportions facilitate elegant settings that showcase the stone without overpowering it. The Natural Gemstone Company provides detailed imagery and handling guidance to assist with design decisions, and the gem is supplied ready for professional setting. For a gift that balances subtlety with impact, and natural provenance with refined finishing, this cobalt spinel stands as a lasting and striking choice.