Men's Black Onyx & Gold Bald Eagle Ring This masculine men's black onyx bald eagle ring is sure to impress. A bald eagle takes center stage, set perfectly in natural black onyx. The ring is crafted of beautiful 10K solid yellow gold. This men's black onyx & gold bald eagle ring qualifies for free custom ring sizing. Size 10 1/2 is standard. When you order a custom size, please allow an additional 7-10 business days processing time.