4 Carat Old Mine Cushion Blue Color Lab Grown Diamonds

Deep blue through vintage faceting. At 4 carats, chunky blue flashes with antique character. Sapphire-like depth with romantic presence.

Yes, Do Amore offers 4 carat blue old mine cushion 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.

A 4 carat blue old mine cushion lab diamond represents a significant investment worth protecting with jewelry insurance. Coverage typically costs 1% to 2% of the appraised value per year and covers loss, theft, and accidental damage. The blue hue is extremely rare and highly prized, adding collectible appeal. Every Do Amore lab diamond comes with certification from GIA, IGI, or GCAL, making the appraisal and insurance process straightforward.

A 4 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. 4 carat lab grown diamonds are very significantly above the average lab diamond size in the USA and look amazing if going for a large diamond look. The old mine cushion cut's soft, romantic cushion shape inspired by 18th and 19th century diamond cutting commands attention at this size.