Imidlertid, ikke alle aflange former viser sløjfe. Bowtie-effekten er et menneskeskabt problem, og det sker under slibningen af diamanterne. Nogle gange er sløjfebåndet uundgåeligt, fordi diamantskæreren har været nødt til at undgå et andet større problem i stenen, og nogle gange er det simpelthen resultatet af en fejl.
It’s easy to think that cutters should simply not cut bowties in their diamonds but diamond cutting is complicated work and even the best diamond cutters aren’t perfect. Kort sagt, here are the several main things that can result in a diamond bowtie:
A mistake – the cutter may have cut the diamond poorly with misaligned facets.
The cutter may feel forced to cut the diamond in such a way that it would result in a bowtie because the alternative is to cut too much rough off the diamond and reduce its carat weight excessively. I slutningen af dagen, while every cutter wants to craft the most beautiful diamonds possible, this is a for-profit industry and the bigger the stone is, jo bedre.
The cutter may have had to cut the diamond this way in order to avoid bigger inclusions. Diamond bowties are unsightly, especially when they are very pronounced but they are not the worst thing that can happen to a diamond