Stunning Stingray Coral Jewelry: Elevate Your Style with Chic and Charismatic Elegance What makes these black corals a fascinating gem among enthusiasts is their artistic pattern with black and white tints, resembling a stingray skin, a sea fish. A reason why the gemstone has been named "Stingray Coral" is that people find it a true testament to Mother Nature's creativity. When embedded into pure sterling silver, it makes exquisite Stingray Coral Jewelry that spellbound us.