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SKU: R8K3V6N

15.03 carats Natural Blue-purple Tanzanite | Emerald Cut

$12,000.00 USD

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15.03 carats Natural Purplish-Blue Tanzanite emerald cut main view | SARATTI

Description

This natural Tanzanite presents a richly saturated purplish-blue face-up appearance, with vivid blue dominating the stone while subtle purple undertones emerge through its deeper areas and changing viewing angles. The colour carries a strong, concentrated tone without losing its lively character. Across the supplied views, directional variation between cooler blue and purplish-blue impressions reflects the pleochroic nature visible in the gemstone.

Fashioned in an emerald cut with a rectangular octagonal outline, the gemstone features broad step facets arranged around a spacious central table. These long, structured facets create crisp bands of reflected light and pronounced internal depth, giving the stone an architectural appearance characteristic of this cutting style. The facet arrangement allows brighter blue flashes to contrast with deeper purplish-blue areas as the gemstone is viewed from different positions.

Weighing 15.03 carats and measuring 14.2 × 11.2 × 8.8 mm, this Tanzanite combines substantial depth with a broad, balanced face-up profile. Its purplish-blue colour, strong scale and geometric emerald-cut form would translate particularly well into a statement pendant, brooch or carefully protected bespoke centre-stone setting. For ring use, protective design features such as guarded prongs, a halo or bezel-style protection should be considered because Tanzanite requires greater care against impact.

Details & Care

Gemstone Identity
  • Displays a richly saturated purplish-blue colour with vivid blue dominating the face-up appearance.
  • Directional viewing reveals subtle blue-to-purple variation consistent with the stone’s visible pleochroic character.
  • Weighing 15.03 carats, the gemstone provides substantial scale and a prominent face-up presentation.
  • Measuring 14.2 × 11.2 × 8.8 mm, it combines a broad rectangular outline with considerable internal depth.
  • Fashioned in an octagonal shape, the gemstone features clipped corners and balanced rectangular proportions.
  • Emerald-cut step faceting produces structured bands of light, crisp reflections and pronounced internal depth.
  • The supplied views show visible natural internal characteristics through portions of the central area without assigning an unsupported clarity grade.
  • The gemstone is recorded as Heated according to the supplied SARATTI Gemstone Identification Report.
  • Origin is recorded as Tanzania.
  • Ranking 6 to 7 on the Mohs scale, Tanzanite should be protected from impact, abrasion and sudden temperature changes.
  • Its scale and geometric form are particularly suitable for a statement pendant, brooch or carefully protected bespoke centre-stone design.
  • Accompanied by a SARATTI Gemstone Identification Report, report number 0205014.

Gemstone Specification

Gemstone Type: Natural Tanzanite
Species: Zoisite
Variety: Natural Tanzanite
Carat Weight: 17.02 carats
Shape: Octagonal
Cut: Emerald Cut
Colour: Purplish-Blue
Dimensions: 14.8 × 12.4 × 9.4 mm
Pleochroism: Visible blue-to-purple directional variation
Treatment: Heat Treated
Origin: Tanzania
Certificate: SARATTI

December Birthstone

Tanzanite is recognised as a December birthstone and is associated with the 24th wedding anniversary. Its purplish-blue appearance and single geographic source give it a distinct place within modern coloured gemstones.

Design Invitation

Its purplish-blue colour, emerald-cut outline and substantial scale would suit a statement pendant or a carefully protected bespoke centre-stone design. The Tanzanite may be acquired loose or developed into a bespoke jewel through SARATTI’s atelier.

Consult an Advisor

For guidance in selecting a gemstone or refining your design, a SARATTI advisor is available to assist with thoughtful recommendations and personalized support. CONTACT

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Delivery Time Estimates (once your order has shipped)

  • United States (Duty Paid): 3–5 business days
  • United Kingdom (Duty Paid): ~10 business days
  • United Kingdom (Self-Clearance): 3–5 business days
  • Europe (Duty Paid): ~10 business days
  • Europe (Self-Clearance): 3–5 business days
  • Rest of the World (Self-Clearance): 3–5 business days

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