Sharp bottom round brilliant diamond consists of 57 or 58 facets. What is the difference between the two? In diamond is more than a parallel to the diamond at the bottom of the desktop small polished facet, known as the bottom. It is mainly suitable for round brilliant diamonds, rather than most fancy diamonds or old cut diamond. The main purpose of the bottom tip is actually prevent damage to diamond. When there is no this small facet, diamond may be with the passage of time, at the cutting edge wear a small gap. When buying diamonds, 58 facets is not a mandatory function, but according to the size of the diamond, and you are going to use Mosaic style and design, you can consider whether to need to have the facets. If you want to put your diamond high embedded in the ring, or up design is surrounded by metal to protect the structure of the diamond are all around, then of course you can buy a no bottom tip of the diamond. Too much sharp bottom can happen? The size of the bottom tip percentage to determine, can pass to mm bottom tip of the size for the unit, divided by the average diameter of diamond, and the results will be multiplied by 100 to calculate. Strategy based on the results, if the percentage is about 1. 5%, bottom tip would be judged to be very small and small; If the percentage is higher than 15%, the bottom pointed, it will be defined as a very large and large. No, very little and the three levels, is the size of the best visual evaluation. Medium belongs to an acceptable level, has nothing to do with the size of the diamond, but beyond the medium, it will not be recommended. If at the end of the size of the tip is too big, we call it a 'window', according to the literal meaning, that is to say, you can start your prove through the diamond. If you have any questions, try this trick, you grab your diamond, with forceps heads, moving a pen under the diamond, if pointed bottom plane is too large, you will see it through the diamond pen. When the diamond has been embedded into the ring, we know that it is not so easy to see, but once you know what you're looking for, even if you can find it in the ring. When buying a diamond, should put this particular part of the diamond into consideration? We believe that yes. Because depending on the size of the bottom tip, the price can be change. If you are considering buying a diamond, and hope to get some guidance in this particular topic, the team will be more than happy to assist you to understand more detailed content. Diamond and jewelry, by one of the most famous gemstone identification agency certification, we can provide you with ideal you looking for diamonds.