What are the sides of a gem called?
facet, flat, polished surface on a cut gemstone, usually with three or four sides.
What is the cut of a gem?
When a gemstone is desired to be used in jewelry, it is cut depending on the size and shape of the rough stone, as well as the desired piece of jewelry to be made. As a general rule, a cut gemstone will reduce the mass (described in the carat) by about 50 percent.
How many faces does a gem have?
According to Diamond Cutter’s International’s foremost diamond expert, Fred Cuellar (aka “The Diamond Guy”), round brilliant, marquise, oval, cushion, heart, pear and emerald shaped diamonds all feature 58 facets. There are, however, shapes that do not conform to the 58 facet brilliant cut.
The pavilion is the bottom portion of the gem. If the pavilion facets come to a point at the bottom, that point is called a culet. Sometimes there is a small facet at the culet that is parallel to the table. This is called a culet facet.
What are the parts of a gemstone?
The Three Principal Areas of a Faceted Gem
- Girdle. The widest part of the gem, the girdle defines its outline. …
- Crown. For both cabochons and faceted gems, the top is called the crown. …
- Pavilion. …
- Mains. …
- Table Facet. …
- Break Facets. …
- Star Facets. …
- Pavilion Facets.
What is the crown of a gem?
The crown is the upper portion of a gemstone that begins just above the girdle. The term ‘table’ is used to describe the flat top of the crown. The crown of a gemstone is typically raised, though some crowns may be cut very high, flat or even concave.
What is the most popular gemstone shape?
Round. Round-cut gemstones are the most classic and popular shape. Round gemstones are timeless, and they look great on everyone. The round shape allows for many facets, so your gemstone can sparkle brightly.
What is a square stone called?
Step Cut. The step cut (or trap cut) represents a square or rectangular shape of stone, with cuts made in linear lines like steps. This type of cut maximizes the weight of the stone since round stones result in more waste.
What is the best gem cut?
The round brilliant cut holds the distinction of being the most expensive cut (especially for diamonds) and for having the highest degree of sparkle among all the other cuts. It features the most number of facets per gemstone, and the results are usually fantastic fire and extreme clarity.
Which gemstone cut sparkles the most?
The diamond can be cut into various shapes: round, pear, square (princess), oval, heart, emerald … The round cut diamond is the one that really sparkles more than others, and it is the most typical and requested. It is considered the investment gemstone par excellence.
What is Portuguese cut?
The Portuguese-Cut refers to a particular type of fancy gemstone cut. … The Portuguese cut thus exhibits an extra row of facets on the crown, and this unique style enhances the brilliance of the gemstone.
In gemology, a culet is a flat face on the bottom of a gemstone. During the 14th century, after the adoption of the table cut, a further facet was added to the bottom of the cut parallel to the surface of the table. The term used for these bottom facets derives from the Latin word for bottom, culus.
What is faceted cut?
A faceted stone is a type of gemstone cut where the stone has flat top, polished faces called facets across it and a pointed bottom. … Gemstones that are transparent are usually made into faceted stones to maximise their beauty.
What is the flat part of a diamond called?
A cut diamond has a flat upper surface called the table. It has a wide part called the girdle. The depth of a diamond is the distance from the table, from where the diamond angles out, down to the tip called the culet. The area between the table and the girdle is called the crown.
Are faceted gemstones real?
Unlike cabochons, where inclusions add character, inclusions in a faceted stone interrupt the light and decrease the fire of the stone. The fact that a faceted stone is genuine does not in itself mean that it is a valuable gem. Color, clarity, cut, and rareness or availabilty all factor in to the value of a stone.