Ads
related to: diamond girdle chart- Necklaces & Pendants
Necklaces & Chains Make a Stellar
Statement. Explore Our Collection!
- Diamond Stud Earrings
The Classic & Fashionable Staple
That Works For Every Style & Taste!
- Diamond Tennis Bracelets
Classic, Elegant and Fashionable,
Tennis Bracelets are a Staple.
- Silver Jewelry
Shop Silver Lockets, Monogram
Bracelets, & More.
- Gold Jewelry
Shop Luxe Gold Necklaces,
Stud Earrings, and More!
- Create Your Own Jewelry
Create The Perfect Ring, Necklace,
Or Earrings For Any Occasion.
- Necklaces & Pendants
Search results
Results From The WOW.Com Content Network
Figure 1 assumes that the "thick part of the girdle" is the same thickness at all 16 "thick parts". It does not consider the effects of indexed upper girdle facets. Figure 2 is adapted from Figure 37 of Marcel Tolkowsky's Diamond Design, [9] which was originally published in 1919. Since 1919, the lower girdle facets have become longer.
Diamond proportions and facets, for the round brilliant cut. The modern round brilliant (Figure 1 and 2) consists of 58 facets (or 57 if the culet is excluded); 33 on the crown (the top half above the middle or girdle of the stone) and 25 on the pavilion (the lower half below the girdle). The girdle may be frosted, polished smooth, or faceted.
Also known as girdle fencing or "dig marks", this is caused around the diamond's girdle as the diamond is cut or bruted. These fine lines usually resemble a strand of hair and do not present a problem. However, extensive bearding can lessen the brightness of the diamond. It is suitable that such diamonds be cut or polished again to improve luster.
Diamond cutting, as well as overall processing, is concentrated in a few cities around the world. The main diamond trading centers are Antwerp, Tel Aviv, and Dubai from where roughs are sent to the main processing centers of India and China. [3] Diamonds are cut and polished in Surat, India and the Chinese cities of Guangzhou and Shenzhen. [4]
Diamond clarity is the quality of diamonds that relates to the existence and visual appearance of internal characteristics of a diamond called inclusions, and surface defects, called blemishes. Clarity is one of the four Cs of diamond grading, the others being carat , color , and cut .
Princess cut diamond set in a ring. The princess cut (technical name 'square modified brilliant') is a diamond cut shape often used in engagement rings. The name dates back to the 1960s, while the princess cut as it exists was created by Betazel Ambar, Ygal Perlman, and Israel Itzkowitz in 1980.