Otzera/Digital Passport/OTZ-2026-00325
Available
1.71 ct GIA-certified Paraiba-type tourmaline, face-up oval view showing vivid green-blue color.

Permanent Gemstone Record

1.71 Carat Paraiba-Type Tourmaline

Copper and Manganese Paraiba-Type·1.71 ct·Oval Mixed Cut·Africa
Otzera IDOTZ-2026-00325
Record TypeExact-stone digital passport
View Gemstone

$4,750.00

Collector Evaluation

The Otzera 50

Species-relative
39
of 50

Distinguished

Otzera Classification

The Otzera 50 organizes professional gemstone evaluation into a single transparent framework, scored relative to what is achievable within this species. It reflects the qualities that make an individual stone worth collecting.

MethodologyO50 v1.0

Identity

Gemological Summary

SpeciesTourmaline
VarietyCopper and Manganese Paraiba-Type
Weight1.71 ct
Shape / CutOval Mixed Cut
Dimensions8.69 × 6.16 × 4.91 mm
ColorElectric Blue-Green
Transparency / ClarityTransparent / Lightly Included

Disclosure

Origin & Treatment

Informs the score, never dominates it
Plotted asAfrica
CoordinateLocality not established
Geographic OriginAfrica
Evidence: Otzera observation only

Supporting Evidence

Documentation

LaboratoryGIA
Report 5191602078
Dated 01.01.2018

Expert Curation

Why Otzera Selected It

A color that simply glows in the sunlight. This 1.71 ct Paraiba Tourmaline combines vivid electric color with excellent symmetry and a largely eye-clean appearance. A distinctive vertical tubular inclusion adds natural character, while GIA documentation provides independent identification.

Visual Record

Media Archive

1.71 ct GIA-certified Paraiba-type tourmaline, angled oval view showing bright blue-green brilliance.
1.71 ct GIA-certified Paraiba-type tourmaline held in tweezers, side profile showing the oval modified brilliant cut.
GIA Tourmaline Report 5191602078 for the 1.71 ct Paraiba-type tourmaline.

Ownership

Care & Handling

Clean with warm water, mild soap and a soft brush. Avoid sharp impacts or aggressive ultrasonic cleaning unless first examined by a qualified jeweler.

A permanent record of this exact gemstone

This Digital Passport is tied to OTZ-2026-00325 and remains accessible after the gemstone leaves available Otzera inventory. The QR code on the case always resolves to this canonical record rather than to a temporary sales page.

Otzera RecordOTZ-2026-00325