3 Carat Marquise Cut Blue Lab Grown Diamonds

A 3 carat blue marquise creates a dramatic sweep of blue brilliance. The elongated shape spreads blue across a vast face-up area. At 3 carats, the blue fills the boat-shaped silhouette with intense, sapphire-rivaling sparkle from pointed tip to pointed tip.

The marquise spreads blue across the largest face-up area of any shape at this weight. At 3 carats, the elongated body creates a sweeping blue presence that's more dramatic than any compact shape. The brilliant faceting adds intense blue fire throughout.

Yes, Do Amore offers 3 carat blue 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.

When looking for 3 carat lab diamonds, look between 2.9 to 3.3 carats so that you give yourself the best selection which will help find the best value. Searching within this range across different Blue color options gives you the widest selection to compare cut quality, color consistency, and overall value. A well-chosen 3 carat blue marquise lab diamond at the lower end of this range can look identical to one at the exact 3 carat mark while saving meaningfully.