3 Carat Old Mine Oval Lab Grown Diamonds

The old mine oval is a vintage oval cut with the characteristic broader faceting and softer proportions of antique 'old mine' diamonds. At 3 carats, the elongated vintage silhouette creates a dramatic, finger-lengthening effect with romantic, broad flashes of light. Look between 2.9 to 3.3 carats for best value.

The old mine oval has broader facets, a higher crown, and softer proportions that create a warmer, more romantic light return. Modern ovals maximize sparkle through precision faceting. At 3 carats, the old mine oval feels authentically vintage with chunky, broad flashes rather than intense modern brilliance.

Yes, Do Amore offers 3 carat old mine oval 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 gives you the widest selection to compare cut quality, proportions, and overall value. A well-chosen 3 carat old mine oval lab diamond at the lower end of this range can look identical to one at the exact 3 carat mark while saving meaningfully.