1 Carat Marquise Cut Blue Diamonds

A 1 carat blue marquise sweeps rare blue brilliance from tip to tip. Natural blue diamonds are exceptionally rare. The elongated shape with blue is dramatic and sapphire-rivaling.

Among the rarest gemstones. Natural blue in a marquise is an extraordinarily uncommon collector's piece.

Yes, Do Amore carries natural diamonds with this combination of size, shape, and color, 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.

Blue natural diamonds are extremely rare and highly prized. white gold or platinum enhances the cool blue tones. For a 1 carat marquise cut, consider a setting that allows maximum light entry to intensify the blue saturation. Simple solitaire or minimalist settings keep the focus on the rare color.