4 Carat Old Mine Cushion Lab Grown Diamonds

The old mine cushion is the original cushion cut with broader facets, higher crown, and larger culet producing chunky, romantic flashes. At 4 carats, very significantly above average, the vintage character is dramatically visible. Look between 3.9 to 4.4 carats.

The old mine cushion has broader, chunkier light flashes with more warmth and character. At 4 carats, these vintage differences create a distinctly antique, romantic aesthetic with strong visual impact.

Yes, Do Amore offers 4 carat 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.

While lab grown diamonds cost significantly less than natural diamonds, a 4 carat old mine cushion lab diamond still represents a meaningful investment worth protecting. Jewelry insurance typically costs 1% to 2% of the appraised value annually and covers loss, theft, and damage. Do Amore provides certification from GIA, IGI, or GCAL with every lab diamond, which simplifies the appraisal and insurance process.