Limited Time: Every Engagement Ring Includes a $250 Gift Card for your Wedding Bands

Pick a Lab Diamond

FAQs

Most intense UV glow. At 3 carats, vintage faceting provides some forgiveness, but significant haziness risk. Thorough inspection essential.
Proceed with caution. Vintage faceting provides some forgiveness, but at 3 carats, very strong carries meaningful risk. Only purchase after confirming clean performance.
Yes, Do Amore offers 3 carat very strong fluorescence old mine marquise 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 3 carat old mine marquise the elongated shape provides excellent finger coverage with historic charm. The old mine marquise cut's vintage marquise shape with antique cutting character and warm light performance gives it strong finger presence. With very strong fluorescence, intense blue glow under UV light, may be visible in daylight. 3 carat old mine marquise lab diamonds are about a carat above the average lab diamond size in the USA and are a wonderful place to maximize beauty, size, and value.