Carat weight: 0.40 carat. Cut: Old miner. Clarity: VS. Color: Fancy brown. Measurements: 3.8mm. 100% natural earth mined loose diamond. Old mine cuts, we are talking about diamonds being cut up to 300 years ago. The old mine cut is probably the oldest recognized cut type we know today. It was very popular in the early 18th century and had been around for some time before. The old mine cut had something of a renaissance in Victorian time. An old mine cut diamond evokes the past, when diamonds were measured by eye and cut by hand, so this historic diamond cut is a great choice if youâ€™re looking for an engagement ring with antique or vintage qualities. NO RESERVE!