3 Carat Marquise Cut Brown Lab Grown Diamonds

A 3 carat brown marquise has rich cognac warmth across a dramatic elongated sweep. The brilliant faceting creates warm, honeyed sparkle from tip to tip. At 3 carats, the marquise's superior face-up size makes the brown appear even more substantial and luxurious.

Excellent value. Brown lab diamonds cost less than colorless, and the marquise appears larger than any shape at the same weight. A 3 carat brown marquise delivers maximum visual impact with warm, cognac character at a very accessible price.

Yes, Do Amore offers 3 carat brown marquise cut lab grown diamonds, all grown, cut, and polished using renewable energy (solar and hydro power). Every lab diamond comes with certification from the 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.

Brown diamonds offer unique warmth at accessible price points. At 3 carats, the larger stone size allows the brown hue to display with greater depth and saturation than in smaller stones. The marquise cut's brilliant-cut faceting in an elongated pointed shape distribute the color evenly across the face. Lab growing technology allows precise color control, producing consistent brown tones.