Diamonds

 Diamond forms under high temperature and pressure conditions that exist only about 100 miles beneath the earth’s surface. Diamond’s carbon atoms are bonded in essentially the same way in all directions. Another mineral, graphite, also contains only carbon, but its formation process and crystal structure are very different. Graphite is so soft that you can write with it, while diamond is so hard that you can only scratch it with another diamond.

 

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Glossary of Jewelry Terms

KT: (Karat) refers to the fineness of gold: one karat is equal to 1/24th part of pure gold in an alloy.

18KTY: 18 Karat Yellow Gold
18KTW: 18 Karat White Gold
18KTR: 18 Karat Rose Gold
14KTY: 14 Karat Yellow Gold
14KTW: 14 Karat White Gold

14KTR: 14 Karat Rose Gold

CT: (Carat)  

CTW: (Total Carat Weight) The term refers to the sum of the weights of all diamonds mounted in a piece of jewelry.

SHANK: refers to the band of the ring or the part that actually encircles your finger. Most shanks are round, but there are also square shaped-shanks and other more creative shapes.

GIA : Gemological Institute of America; known as the leading authority for gemology internationally.

GIA Color Grading Scale: The GIA scale begins with the letter D, representing colorlessness, and continues with increasing presence of color to the letter Z, representing light yellow, light brown or light gray. The 23 color grades on the GIA Color Scale (or diamond color chart) are subdivided into five subcategories, which are: colorless (D-F); near colorless (G-J); faint (K-M); very light (N-R); and light (S-Z).

GIA Diamond Clarity Scale: The GIA Diamond Clarity Scale has 6 categories, some of which are divided, for a total of 11 specific grades.

 

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