This estate 18k yellow gold “Etoile” band by Tiffany & Co. features flush-set round brilliant-cut diamonds in platinum settings, creating the collection’s signature contrast and timeless elegance. The diamonds total 0.45 carats with G color and VS2 clarity, offering bright, refined sparkle throughout the 7.9mm wide band. This classic designer piece fits like a size 5.25–5.5.