1 Carat Round Cut Blue Diamonds

A natural diamond with these characteristics pairs the world's most popular and brilliant shape with one of nature's rarest colors. Natural blue diamonds are formed with trace boron over billions of years. At 6.5mm, the round brilliant's optimized faceting fills the blue stone with maximum sparkle. The classic round silhouette ensures the blue is presented in the most universally flattering format.

Yes, identically durable. Both have 10.0 Mohs hardness and the same crystal structure. The boron producing blue has no effect on toughness. The round shape has no vulnerable corners. A diamond matching these specifications will resist scratching and withstand daily engagement ring wear for decades.

White gold and platinum create a cohesive cool look. Yellow gold provides warm-cool contrast deepening the blue. The round brilliant's classic shape pairs seamlessly with every metal tone. Rose gold offers a unique modern pairing. Each metal brings out a different dimension of the rare blue color.

Do Amore's 1 carat round blue natural diamonds are ethically sourced from verified conflict-free origins. Every diamond is certified by GIA, IGI, or GCAL. Every purchase funds clean water access for one person in need. All rings include free lifetime maintenance covering inspections, polishing, cleaning, stone tightening, rhodium plating, and resizing, plus a 60-day return policy.