Natural Precious Black Opal – 3.7 ct (Ethiopia) – Heat Treatment – Oval cabochon with intense black base and vibrant play of colors
✨ Description
A 3.7 ct Ethiopian Precious black Precious Opal, cut as an oval cabochon, with a brilliant and deep play of color , visible from various angles. The reflections shift between sapphire blue, emerald green, and light orange highlights, with a black/blue base that enhances the color contrast.
The stone has been treated only with heat to intensify the base color, without any other treatments or fillings. Originating from the Ethiopian Welo Plateau, it is an ideal specimen for collectors and fine jewelry artisans.
📦 Protective and display box included
Each stone comes in its own rigid acrylic and PVC box , ideal for storage, display, and protection. Perfect for collectors and retailers.📋 Technical details
- Stone Type: Natural Black Precious Opal
- Origin: Ethiopia
- Weight: 3.7 ct
- Dimensions: 12 × 9 × 6 mm
- Shape: Oval Cabochon
- Base color: Black/Blue (with visual variation depending on the angle)
- Color game: Green, blue, orange
- Treatment: Heating
- Polishing: Professional, done by hand
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