1 Carat Old Mine Cushion Blue Color Diamonds

Deep blue through vintage faceting at 1 carat. Chunky blue flashes with antique character. Natural blue is exceptionally rare.

Among the world's most precious. Natural blue in an old mine cushion is extraordinarily uncommon.

Yes, natural diamonds with this size, shape, and color combination are available from Do Amore, ethically sourced from Canada, recycled origins, or blockchain-verified conflict-free supply chains. 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.

A 1 carat old mine cushion the higher crown creates depth and a warm, chunky sparkle pattern. The blue hue is extremely rare and highly prized, adding collectible appeal. 1 carat natural diamonds are a great starting point and have been the average diamond size for natural diamonds for many decades.