These oval-shaped, calibrated Ethiopian opals are a timeless classic — available in sizes from 3x4 mm to 10x14 mm. Each stone is natural, translucent, and hand-selected for its vibrant play of color, then machine-cut into perfect sizes that are ideal for bulk production or custom jewelry.
Whether you're creating minimalist rings, elegant pendants, or bridal sets, these AAA to A grade calibrated cabochons are easy to work with and look spectacular in gold or silver settings.
Need inspiration for alternative shapes? Check out our calibrated opal long cushion cabochons—equally radiant and perfect for meaningful jewelry.
3x4-10x14mm Calibrated Ethiopian Opal Oval Cabochons- Loose Fire Opals
✦ Stone Name: Ethiopian Opal
✦ Shape: Oval
✦ Treatment: Natural (Unheated)
✦ Origin: Ethiopia
✦ Clarity: Translucent
✦ Size Range: 3x4 MM to 10x14 MM
Reviews
The Calibrated opal I purchased is absolutely stunning! The fiery play-of-color is mesmerizing, and the oval shape is perfect for my jewelry design. Highly recommend!