Natural 1.53 carat untreated Merelani Hills tanzanite displaying a custom geometric step cut hexagon with blue, green, and violet mermaid coloration.
Close-up of a natural 1.53 carat untreated tanzanite in tweezers highlighting its custom hexagonal step cut and shifting mermaid blue, green, and purple hues.
Natural 1.53 carat geometric step cut tanzanite shown on fingertips, revealing its elegant proportions and pleochroic blue, green, and violet colors.
Watch this untreated 1.53 carat Merelani Hills tanzanite rotate in natural light, revealing elegant transitions between blue, green, and violet through its precision geometric step cut.
Experience the refined pleochroism of this natural untreated Merelani tanzanite as its custom hexagonal step cut showcases graceful blue, green, and violet color changes from every angle.
Natural 1.53 carat untreated Merelani Hills tanzanite displaying a custom geometric step cut hexagon with blue, green, and violet mermaid coloration.
Close-up of a natural 1.53 carat untreated tanzanite in tweezers highlighting its custom hexagonal step cut and shifting mermaid blue, green, and purple hues.
Natural 1.53 carat geometric step cut tanzanite shown on fingertips, revealing its elegant proportions and pleochroic blue, green, and violet colors.
Watch this untreated 1.53 carat Merelani Hills tanzanite rotate in natural light, revealing elegant transitions between blue, green, and violet through its precision geometric step cut.
Experience the refined pleochroism of this natural untreated Merelani tanzanite as its custom hexagonal step cut showcases graceful blue, green, and violet color changes from every angle.

1.53CT Tanzanite: Purple Blue Green Custom Hexagonal Geometric Step Cut

$956.25
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  • Ethically Sourced with Traceable Origin
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Specifications:

  • Gemstone: Tanzanite
  • Color: Mermaid (Purple, Blue, Green)
  • Weight: 1.53 carats
  • Shape & Cut: Custom Geometric Step Cut Hexagon
  • Dimensions (mm): 7.92 x 6.23 x 3.89
  • Origin: Merelani Hills, Arusha Region, Tanzania
  • Treatment: None

In Natural Light

There is a remarkable stillness to this tanzanite, where color seems suspended within crisp geometric planes rather than scattered across the surface. Cool blue gathers along the upper facets before melting into soft sea-green reflections at its center, while gentle lavender and violet frame the stone like the last light lingering over coastal cliffs at dusk. The shifting palette is subtle and sophisticated, revealing itself gradually as the gemstone moves through natural light.

Its custom hexagonal silhouette gives the gem an architectural presence, allowing the broad step facets to act almost like windows into Merelani's extraordinary pleochroism. Each angle introduces a different balance of blue, green, and violet without overwhelming the eye, creating an elegant rhythm of color rather than dramatic flashes.

Untreated and sourced from Tanzania's celebrated Merelani Hills, this gemstone embodies the quiet rarity that makes fine tanzanite so compelling to collectors who appreciate precision, restraint, and naturally complex color.

The Lapidary's Eye

The custom geometric step cut embraces clean symmetry over excessive brilliance, allowing light to travel through the stone in broad, uninterrupted reflections. The hexagonal outline softens the classic step-cut architecture while introducing a contemporary profile that feels both sculptural and refined.

Rather than masking the gem's natural pleochroism, the carefully proportioned pavilion enhances it, producing distinct transitions between cool blue, soft green, and violet with even slight movement. The precision of every facet creates exceptional transparency and depth, giving the gemstone an understated elegance rarely achieved in more conventional cutting styles.

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