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The term Black Diamond is actually a misnomer, as black diamonds, appear black as a result of numerous dark inclusions that give the gems their dark appearance. Also known as Carbonado, the black diamond is mined in Brazil and parts of Africa, and is actually the most porous of all diamonds, due to its many inclusions.
There certainly are some exceptional black diamonds out there that make stunning engagement rings but there are infinitely more poorer examples on the market. Black diamonds tend to be heavily included brown diamonds that are treated with heat and pressure to turn them completely black and opaque. The multitude of inclusions make them more unstable and far more prone to fracturing than their transparent counterparts.
Black diamonds are very difficult for diamond cutters to facet so they tend to be cut with less precision and poorer polish than other coloured diamonds. The fragile nature of larger black diamonds makes them too brittle for everyday wear, however, small black diamonds are a great option for accent stones. The smaller ones are more stable and can be easily replaced for minimal cost if damage does occur.
At Larsen Jewellery, we don’t supply black diamonds larger than 3mm round. We take our quality standards very seriously and our experience has taught us that black diamonds larger than this tend to be troublesome and ultimately disappointing. There are two fantastic alternatives to black diamonds that are far better suited to everyday wear. The two options we always recommend are black sapphires and black spinels.