Engagement rings are not only the sparkle ... while a deep blue sapphire in a solitaire setting offers timeless elegance. 2. Halo Accents – Surrounding a diamond with a halo of contrasting ...

he proposed to Kate with the same engagement ring that his mother, the late Princess Diana, received from then-Prince Charles - a 12-carat, oval Ceylon blue sapphire, surrounded by a halo of 14 ...